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Hojin Ahn (BS '85, MS '86, PhD '89)

I was at Lloyd house (1982-1985). My Ph.D. research was usually conducted at Thomas Building and Spaulding Building subbasement. After finishing my degree, I worked at The Aerospace Corporation for 7 years. Subsequently I moved to Istanbul, Turkey where I live past 20 years. Once in a while I had chances to visit Caltech, including the symposium honoring Prof. Chris E. Brennen (my Ph.D. advisor) at his retirement in 2010. I was also saddened by the recent passing of Prof. Rolf H. Sabersky who used to be my B.S. and M.S. advisor until his retirement. Four years ago my son entered Caltech and became a member at Lloyd house as I did. Since then, I feel my connection to Caltech rejuvenated. I am planning to visit this June to attend his graduation. The following photo shows Prof. C.E. Brennen and R.H. Sabersky with me.

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Daniel Loeb (BS '86)

Last yesterday we celebrated the 11th anniversary of the Philadelphia Jewish Voice pjvoice.org which I help publish. The event honoring Dan Segal was standing room only. The Philadelphia Jewish Voice is a part of the Fair Districts PA coalition fairdistrictsPA.org which hopes to improve the redistricting process and end the gerrymandering which has plagued Pennsylvania.

My son Jonathan is in his last year at Drexel and he just won a $15,000 grant from the university to fund a start-up as part of his upcoming entrepreneurship coop. His goal is to acclimatizing people to self-driving cars. My daughter Gabrielle is in her 4th year of medical school at Columbia University where she is specializing in interventional radiology. Meanwhile, Benjamin is graduating this year from Lower Merion High School while Rachel is graduating from elementary school at the Perelman Jewish Day School.

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Parker MacCready (MS '86)

I have been on the faculty at UW in Oceanography for the past couple decades, studying the physical oceanography of coastal and estuarine waters. These days my work on geophysical fluid dynamics finds application to practical problems such as ocean acidification and harmful algal blooms, especially as they affect shellfish and salmon. A favorite tool is realistic numerical simulations, and I run a daily forecast model called LiveOcean for waters of the NE Pacific and Puget Sound.

My wife Molly Knox and I live in a rural area outside of Olympia, Washington, near the Sound. We have two kids. Jill, 23, is a senior at Claremont McKenna College studying neurobiology. Henry, 18, is a senior at Olympia High School.

Having now taught many classes on fluid dynamics, I am eternally impressed with the amazing education I received in my few years at Caltech.

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