View highlights from Caltech’s 88th Seminar Day with a photo gallery of campus tours, faculty lectures, student talks, and the debut of Seminar Day Kids.
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David Brin, PhD
BS '73For his enduring excellence in storytelling, examining how change, science, and technology affect the human...
Louise Chow, PhD
PhD '73For her pioneering methods in electron microscopy, which led to the Nobel Prize-winning discovery of split...
Caltech Together: LA South Bay
On Thursday, April 17, join LA South Bay Techers at the Brewport Tap House and Kitchen for lunch and great conversation.
Bruce A. Stern
BA ’64
Seminar Day Registration
Virtual Registration$10 for virtual access.Includes live Zoom access to all sessions on event day and access to video recordings after the event. Registration for virtual participation closed on Friday, May 16, 2025. In-Person Registration$65 per...
Seminar Day FAQs
Will Seminar Day be impacted by the Eaton Fire? The schedule for Seminar Day in May has not been impacted. The fires burning in Greater Los Angeles area have had significant impact on the Caltech community and surrounding areas, but the Institute has resumed...
Seminar Day Weekend Resources
Braun Athletic Center AccessAll registered guests qualify to purchase Day Passes to Braun Athletic Center, available for $10, during alumni event weekend. Day Passes give full access to the Braun Athletic Center and its amenities each day of purchase. Amenities...
Don Turcotte
BS ’54, PhD ‘58
Half Century Club Celebration
Come back to Pasadena for a weekend of activities celebrating Half Century Club alumni and the newest Half Century Club inductees from the Class of 1975.
Michael Sheetz
PhD ’72
HCC Weekend Resources
Braun Athletic Center AccessAll registered guests qualify to purchase Day Passes to Braun Athletic Center, available for $10, during alumni event weekend. Day Passes give full access to the Braun Athletic Center and its amenities each day of purchase. Amenities...



