40 Years and Counting


In 1969 Caltech opened its doors for the first time to undergraduate women. This year, Caltech celebrates the graduation of those pioneers, who went on to forge new paths across science, technology, and engineering. Join us for a special event.

Celebration of Women at Caltech (’73 through ’79)

Friday, May 16th
11:00am:  Reception
12:00pm:  Lunch


Special Guests

Tom Apostol
Professor of Mathematics, Emeritus
Physics, Math & Astronomy Division
Honorary Alumnus

Harry Gray
Arnold O. Beckman Professor of Chemistry; Founding Director, Beckman Institute
Chemistry & Chemical Engineering Division
Honorary Alumnus

JeniJoy La Belle
Professor of English, Emeritus
Humanities & Social Sciences

Anneila Sargent (MS ’67, PhD ’77)
Ira S. Bowen Professor of Astronomy
Vice President for Student Affairs

Annette Smith
Professor of Literature,  Emeritus
Humanities & Social Science Division




Catch up with fellow classmates from your era and learn about their remarkable lives since graduation. Meet extraordinary young women attending Caltech today. As the event approaches, we would like to hear your story.

Share your Caltech memories with us

Scroll down and leave a comment, below.


Caltech Pranks MIT Campus Preview Weekend

by Liz Lawler ’15
The California Tech (download »)

Last Wednesday night, 13 Caltech students flew to Massachusetts in preparation for MIT’s Campus Preview Weekend (CPW). Their mission: prove which institute is hot and which one is not. Their arsenal: 800 heat sensitive mugs that at first read “MIT The Institute of Technology” but under the influence of heat change to read “CALTECH The Hotter Institute of Technology.” The mugs came in boxes with a card with the instructions to “tweet the most MIT-proud picture of yourself with the MIT mug @MITmug2018 to be entered in a drawing to win a pair of Google Glass.”

Techers handed out the mugs to unsuspecting prefrosh right outside of CPW’s formal welcome event Thursday night. They scoped out the gym in which the event was held in advanced, discovered three different possible exits, and then staged six people at the main door and teams of four and three at the other doors. Thirty minutes before the event let out, they were poised and ready. At 9:30pm prefrosh began to trickle out, but then a couple minutes later a massive wave hit. 

As the prefrosh flooded out, officers from MIT’s admissions department tried to thwart the Techers’ efforts. The Caltech students were told they would need to stop handing out mugs unless they could prove they were a registered event. 

Senior and Caltech Prank Club President, Julie Jester cunningly stalled the antagonizing admissions staff for 20 minutes with a fake story that their event was registered through the MIT Alumni Association and that they were simply ignorant pawns told to pass out the mugs. When pressed for a name of the person who approved their event, Jester acted forgetful, fumbled on her phone, pretended to have trouble accessing MIT’s wifi as she “searched” for  the email thread containing their permission to hand out the mugs. 

However, the MIT admissions staff was relentless. They demanded a name. Jester called up Tom Mannion while he was mid-lecture in his cooking class and casually asked him for the name of official who sanctioned the mugs. 

Initially confused by the abrupt call, Mannion pulled through by questioning his class for a name of a member of MIT’s Alumni Association which he delivered to Jester. 

While Jester kept the MIT admissions inquisitors occupied, the prefrosh continued to pick up the mugs. 

To accommodate the numerous prefrosh, the Techers began putting out boxes in the walkway that the prefrosh ferociously attacked in a primal quest for free swag. Prefrosh gleefully took the mugs, but admissions officers refused to let the prank go on. They vainly attempted to shut it down by ripping the mugs out of prefrosh’s hands, proving MIT hates fun and all things awesome rather than accomplishing their goal. 

Despite MIT’s best efforts, Caltech’s prank went through beautifully. They were able to pass out all the mugs and proved that if you mess with Caltech, you're going to get burned.

Córdova Confirmed as NSF Director

The U.S. Senate has approved astrophysicist and Caltech alumna France A. Córdova (PhD '79) as the new director of the National Science Foundation (NSF). Currently the chair of the Smithsonian Board of Regents—the Smithsonian Institution's governing board—Córdova will succeed former director Subra Suresh and will replace acting NSF director Cora Marrett on March 31. 

After receiving her doctoral degree in physics from Caltech, Córdova spent the next decade at the Los Alamos National Laboratory as a staff scientist and eventually as a deputy group leader. In 1989, she joined the faculty at Pennsylvania State University as head of the Department of Astronomy and Astrophysics. She served in this position until 1993, when she was selected as NASA's chief scientist—becoming the first woman ever selected for the position.

Córdova has also served in additional research and leadership positions including vice chancellor for research and professor of physics at UC Santa Barbara from 1996 to 2002, chancellor and distinguished professor of physics at UC Riverside from 2002 to 2007, and as president of Purdue University from 2007 to 2012.

President Obama nominated Córdova for the NSF directorship in July 2013; the Committee on Health, Education, Labor, and Pensions approved the president's nomination on January 29, 2014.

With her recent confirmation, Córdova joins several other Caltech alumni who have been nominated to lead or now lead federal research agencies, including the current director of the Defense Advanced Research Projects Agency Arati Prabhakar (MS '80, PhD '85), and Ellen Williams (PhD '82), who, in December 2013, was nominated by President Obama to be the next director of the Advanced Research Projects Agency—Energy.


Written by Jessica Stoller-Conrad

Caltech Media Relations


Steven C. Frautschi Wins Feynman Prize for Excellence in Teaching

Steven C. Frautschi, professor of theoretical physics, emeritus, at Caltech, has been awarded the Richard P. Feynman Prize for Excellence in Teaching—Caltech's most prestigious teaching honor.

Named after Caltech physicist Richard P. Feynman, the prize is awarded annually to a Caltech professor "who demonstrates, in the broadest sense, unusual ability, creativity, and innovation in undergraduate and graduate classroom or laboratory teaching."

This is the first time the Feynman Prize has been awarded to an emeritus faculty member and also the first time it has been awarded to a teaching assistant.

Read More »


Bridging Worlds – Iram Parveen Bilal (BS ’04)

After screenings around the world, filmmaker
Iram Parveen Bilal (BS ’04) returns to Caltech to speak about her first feature, Josh: Against the Grain.


Following Caltech, Iram Parveen Bilal traversed disciplines to become a filmmaker and activist. For her first feature, Bilal returned to her home country to film Josh: Against the Grain, a mystery thriller set in Karachi. The award-winning film comments on class structures, social movements, and patriotism in Pakistan. Since its first showing in Mumbai in 2012, the film has screened around the world. Bilal speaks about her unique story, and the surprising connections she finds between science and art.

Caltech Alumni Association: What was it like to attend Caltech as an international student?

Iram Parveen Bilal: I came to Caltech when I had just turned seventeen. It was a huge culture shock. I remember going back home after the first term and saying “I want to transfer out,” because it was really hard. I was alone and had no family in the US. But I usually put myself against the harder odds and then I try to win people over. It’s just how my life has been. And Caltech is the kind of place that if you rise to the challenge, it makes you stronger. I eventually found my place at Caltech.

CAA: How did you make the leap from engineering to filmmaking?

IPB: I got into USC and I didn’t know what I was in for. Being this kid who had grown up on Bollywood, and then sitting alongside classmates talking about Citizen Kane, I had this steep learning curve. 

And now I’ve gotten to a point where I think, “You don’t have to know all the classic films in order to be a filmmaker. You have to make films.” That’s not arrogant; I just feel like I have my own point of view, now. 

CAA: Tell us about the film.

IPB: I was working on a documentary about Benazir Bhutto [the 11th Prime Minister of Pakistan] when I heard about a woman who runs food kitchens in Karachi. My producing partner at the time wanted to also make a documentary about her, but I I felt Pakistan had enough documentaries—I wanted to make a fiction film. The script eventually evolved into something different, but that was the genesis.

Josh is a mystery thriller set in Karachi that follows an upper class woman who becomes determined to find out what happened to her missing caretaker. Her journey takes her to a nearby village run by a feudal lord, and in the process endangers herself and others. The story tackles themes of feudalism, youth movements, poverty, and the challenges of trying to do good amidst social unrest.

CAA: What was it like to film in Pakistan?

IPB: It was tough because there was no infrastructure for film, really. There were no equipment houses where you could easily rent. I had access to resources in the US. But as a Pakistani, I was tired of people coming in with foreign crews only to leave. So we took a lot of local media students and trained them. After we wrapped, a lot of films started shooting, hiring many of the crew members we trained. I’m proud that Josh is at the forefront of a new Pakistani wave.

CAA: How have audiences responded to the film?

IPB: When our film was screened in Melbourne, one audience member was so moved by the story of the food kitchen (and the woman who was the genesis of the film), that he launched a fundraiser. He solicited donations from around the world, enough to provide food for a 140 families in Pakistan. I was able to go and help ditribute the food. It was a powerful moment of real humility. I thought, “I had no idea where this story would go and here it is actually translating into change. Here are all these women who are going to be feeding their kids and they have no idea or care who I am. They just want their food ration bags.” That’s the power of story. 

CAA: You started in science, but transitioned to art. Do you see any connections between them?

IPB: Both science and art are really about curiosity of the world, and curiosity of human behavior. I think that in making a film—just like in science—your gut instinct is very important. The research that you go through when you’re writing a screenplay, when you’re thinking about characters, and when you’re thinking about emotions, is so similar. You’re absorbing from the world around you. Your evidence is the people you interact with. And then you put forth a hypothesis, which is a character in this environment and this circumstance. What happens? On that level, I feel that writing is very similar to research.

CAA: What advice can you offer to current Caltech students?

IPB: I think when one comes to an institute like Caltech, it’s important to give yourself space and the leverage to study a variety of things. Try and strive for as balanced of an education as you can get here and to expose yourself to as diverse an environment as you can. You never know what will ultimately resonate the most with you.


Bilal on the set.

Bilal on the set.

Online Course: The Science of the Solar System


Where is the water on Mars?
What is inside of a giant planet?
Where might we look for life in and beyond the solar system?

Mike Brown, the Richard and Barbara Rosenberg Professor of Planetary Astronomy at Caltech, offers a new online course via Coursera.  Session begins March 31st.


The Science of the Solar System

Explore the solar system using concepts from physics, chemistry, biology, and geology. Learn the latest from Mars, explore the outer solar system, ponder planets outside our solar system, and search for habitability in the universe.

Sign up now! »

Brown is best known for his discovery of Eris, the largest object found in the solar system in 150 years, and the object which led to the debate and eventual demotion of Pluto from a real planet to a dwarf planet. In 2006 he was named one of Time magazine's 100 Most Influential People. At Caltech he teaches undergraduate and graduate students, in classes ranging from introductory geology to the formation and evolution of the solar system and has been awarded the Richard P. Feynman Prize, the highest teaching award at Caltech. He was also named one of Wired Online's Top Ten Sexiest Geeks in 2006, the mention of which never ceases to make his wife laugh. 

Caltech Featured by Times Higher Education


For the past three years, Caltech has sat atop the rankings of the world’s universities published by the Times Higher Education. This week’s cover story features an in-depth look at the Institute, asking the question, “How does a tiny institution create such outsized impact?”

Read the Full Article »

The factors driving Caltech’s extraordinary success thus seem quite simple: it stays deliberately small, resolutely interdisciplinary, exceptionally selective when hiring, and maintains a flat, flexible management system.

CaltechTHESIS: Making Your Work Available to the World


The Caltech Library wants to publish your thesis online


For more than a decade, the Caltech Library has been converting its collection of theses to digital format, to share with researchers around the world. They just need your help.

From the Caltech Library:

The Caltech Library and the Grad Office have been supporting an electronic thesis program since 2002.  All PhD graduates have been required to deposit an electronic thesis since 2003.  In the print era, a heavily used PhD dissertation was one that was borrowed from the library more than once, EVER.  Things have changed.  Caltech theses were downloaded more than 1,000,000 times during 2013 and usage has been growing every year for more than a decade.

The library has been working under guidance of the Office of General Counsel to scan and make available all of the Caltech PhDs, regardless of the year in which you received your degree.  The thesis database, CaltechTHESIS, has approximately 6,300 PhD theses online currently and more are added all of the time.  Not all of the theses have been digitized yet and not all of those that are online can be accessed from off campus, in accordance with copyright law.  You, the authors, hold the key to allowing your thesis to be globally available.  Depending on graduation date, the Library must have permission from the author to make a thesis available from off campus.

Please consider helping the Library make this part of your Caltech legacy available to the world. Use this web form to provide the necessary permission and, perhaps, some additional information about your thesis, advisor, and committee.  The Library will scan, if necessary, and remove access restrictions from theses as quickly as possible following the submission of your information.  Depending on the volume of responses it may take several days to process all of the theses.


Video: Construction of the Palomar Telescope

From the Caltech Archives: footage depicting the construction of the Palomar Observatory.

The Universe from Palomar, 1967

This first film, produced two decades after the opening of the observatory, covers the history of the telescope's construction and operation, featuring appearances by Ira Bowen (who also narrates), Edwin Hubble, Milton Humason, and Bruce Rule, plus additional voice-overs by George McCauley and Melvin Johnson.


The Caltech Library wants to digitize your thesis.

Learn More »


Original Footage

The above film drew extensively on this archival 16mm footage taken during the construction. 


For more on this and other treasures, visit the Caltech Archives.

Laurie Leshin (MS '89, PhD '95) Named President of Worcester Polytechnic Institute

 Caltech alum Laurie Leshin will be the 16th president of Worcester Polytechnic Institute

 Caltech alum Laurie Leshin will be the 16th president of Worcester Polytechnic Institute

Caltech alumna Laurie Leshin (MS '89, PhD '95), has been named the new president of Worcester Polytechnic Institute (WPI) in Worcester, Massachusetts. Leshin, previously the dean of the School of Science at Rensselaer Polytechnic Institute (RPI), will be the first woman to lead WPI in the university's 150-year history.

Both of Leshin's Caltech degrees were in geochemistry. "Laurie did an important thesis measuring the deuterium/hydrogen ratios of martian meteorites that got her off to a strong start in her academic career. Her subsequent contributions as a professor, as a scientist and administrator at NASA, and as an academic leader at RPI have prepared her well for this leadership role," says Caltech interim president and William E. Leonhard Professor of Geology Edward Stolper, who, along with Sam Epstein (Caltech's first Leonhard Professor), coadvised Leshin during her time as a graduate student at Caltech.

After earning her doctoral degree from Caltech in 1995, Leshin worked as a postdoctoral fellow at UCLA, followed by a faculty position as a professor of geological sciences at Arizona State University (ASU). Her research and administrative contributions led to her appointment, in 2005, as director of science exploration at the NASA Goddard Space Flight Center. Leshin joined the faculty at RPI in 2011.

In her administrative position at RPI, she increased the size of the institute faculty while also supporting curriculum changes and interdisciplinary academic initiatives. She also continued her research as a geochemist and space scientist, and served as a member of the Mars Science Laboratory (MSL) Science Team that analyzed data collected by the Curiosity rover to find the evidence of water on the surface of Mars.

"She is a natural leader," says Curiosity project scientist John Grotzinger, Caltech's Fletcher Jones Professor of Geology. "Laurie Leshin is a first-rate scholar with tremendous energy and a deep understanding of planetary science. Her involvement in MSL has been substantial even as she worked as dean at RPI, engaging as a member of two different instrument teams and also serving as a mission strategic planner, helping to integrate Curiosity's complex activities."

When Leshin begins her term as WPI's 16th president on July 1, 2014, she will join a list of at least 11 other Caltech alumni who are currently serving as presidents of colleges, universities, and research institutions around the world.

Written by Jessica Stoller-Conrad

Reddit Co-founder Alexis Ohanian Visits Caltech

"I waste too much time on Reddit. I wanted to tell him how much I hate him for that." Graduate Student Manan Arya (left) poses with Reddit co-founder Alexis Ohanian

"I waste too much time on Reddit. I wanted to tell him how much I hate him for that."
Graduate Student Manan Arya (left) poses with Reddit co-founder Alexis Ohanian

Tech entrepreneur and Reddit co-founder Alexis Ohanian visited Caltech to promote his book Without Their Permission. Caltech students and guests turned out to Hameetman auditorium to hear Ohanian speak about his experience building Reddit into one of the internet's top news sharing sites, with more than 100 million users.

Greg Tanaka (left) with Ohanian

Greg Tanaka (left) with Ohanian

"As Caltech students, you have the tools and the skills to cut out the middle man and change the world," Ohanian said.

Ohanian engaged in a "fireside chat" with former student Greg Tanaka, founder of the startup Bay Sensors in Palo Alto, to speak about how Tanaka's Caltech education has helped to shape his experience as an entrepreneur.

Mike Edwards (BS ’13) Turns Pro Basketball Player

Last winter, Mike Edwards finished his four-year career as Caltech’s career-leading scorer with 1,581 points. 

Now he has gone pro.

Edwards, 23, signed a contract with a team known as the Pee Dee Vipers of the Premier Basketball League, based out of Florence, S.C.  

He played his first game on Saturday against the West Virginia Angels, coming off the bench to score four points and make two blocks.

The Vipers won the game 123-69.

“It’s all kind of led up to this and now it’s kind of my turn to show what I’ve got and keep improving and to make an impact and learn a lot and have fun too,” said Edwards. 

Read More »


Caltech Pranksters Strike BCS Title Game at the Rose Bowl

On Monday, when it seemed all eyes were on the Bowl Championship Series national title football game at the Rose Bowl, 100 Caltech undergraduates performed a two-part prank. Early in the morning, the group erected a 2,000-square-foot sign that spelled out "Pasadena" on a hillside overlooking the Rose Bowl. Then, just before the game's halftime, they used 6,300 orange lights to illuminate and transform the sign so that it read "Caltech." 

"The scale of this prank is really what makes it amazing," said Caltech senior Julie Jester. "The design had a lot of us, including myself, very worried that we'd be unable to make it so big. On top of the sheer size, we had to figure out how to actually transport everything up the steep, thin, long, and winding trail to the top of the mountain. By putting our heads together we managed to work through all of the issues."

Read more in the Pasadena Star News.

Written by Allison Benter


Cassini Flyover of Titan

From JPL

This colorized movie from NASA's Cassini mission shows the most complete view yet of Titan's northern land of lakes and seas. Saturn's moon Titan is the only world in our solar system other than Earth that has stable liquid on its surface. The liquid in Titan's lakes and seas is mostly methane and ethane.

The data were obtained by Cassini's radar instrument from 2004 to 2013. In this projection, the north pole is at the center. The view extends down to 50 degrees north latitude. In this color scheme, liquids appear blue and black depending on the way the radar bounced off the surface. Land areas appear yellow to white. A haze was added to simulate the Titan atmosphere.

Kraken Mare, Titan's largest sea, is the body in black and blue that sprawls from just below and to the right of the north pole down to the bottom right. Ligeia Mare, Titan's second largest sea, is a nearly heart-shaped body to the left and above the north pole. Punga Mare is just below the north pole.

The area above and to the left of the north pole is dotted with smaller lakes. Lakes in this area are about 30 miles (50 kilometers) across or less.

Unannotated versions of this video are available at this site.

Most of the bodies of liquid on Titan occur in the northern hemisphere. In fact nearly all the lakes and seas on Titan fall into a box covering about 600 by 1,100 miles (900 by 1,800 kilometers). Only 3 percent of the liquid at Titan falls outside of this area.

Scientists are trying to identify the geologic processes that are creating large depressions capable of holding major seas in this limited area. A prime suspect is regional extension of the crust, which on Earth leads to the formation of faults creating alternating basins and roughly parallel mountain ranges. This process has shaped the Basin and Range province of the western United States, and during the period of cooler climate 13,000 years ago much of the present state of Nevada was flooded with Lake Lahontan, which (though smaller) bears a strong resemblance to the region of closely packed seas on Titan.

The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. NASA's Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the mission for NASA's Science Mission Directorate, Washington, DC. The Cassini orbiter was designed, developed and assembled at JPL. The radar instrument was built by JPL and the Italian Space Agency, working with team members from the United States and several European countries.



Henry Schwarcz (PhD ’60) Becomes AAAS Fellow

Henry Schwarcz (PhD ’60) has been made a Fellow of the American Association for the Advancement of Science for his pioneering development and application of stable isotope analysis for environmental Earth sciences, geoarchaeology and the reconstruction of human history. Schwarcz studies isotopes to better understand everything from temperature to diet during ancient times.

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JPL: Ranger Impact Limiter

Ranger Impact Limiter — Photograph number 292-41A

Ranger Impact Limiter — Photograph number 292-41A

From JPL's Slice of History Blog | Julie Cooper

This photo was taken in November 1960 to show the lightweight balsa wood impact limiter that was to be used in the NASA Jet Propulsion Laboratory’s Ranger Block II spacecraft design (Rangers 3, 4, and 5). The woman holding the sphere is Systems Design secretary Pat McKibben. The sphere was 65 cm in diameter, and it surrounded a transmitter and a seismometer instrument that was designed by the Caltech Seismological Laboratory. The sphere would separate from the spacecraft shortly before impact and survive the rough landing on the moon. The capsule was also vacuum-filled with a protective fluid to reduce movement during impact. After landing, the instrument was to float to an upright position, then the fluid would be drained out so it could settle and switch on.

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