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. The Half Century Club includes all alumni (of all degrees!) who graduated 50 or more years ago. Events also include recognition of the milestone classes of 1975, 1970, 1965, 1960, 1955, 1950, and 1945. Enjoy a reunion weekend filled with engaging conversations, endless inspiration, and cherished traditions. Reconnect with Techers at the Half Century Club Reception with President Thomas F. Rosenbaum and Professor Katherine T. Faber, the Half Century Induction and Milestone Dinner with Provost David Tirrell, sessions with beloved faculty, House gatherings with current students, and more!

Thursday, May 15 to Sunday, May 18*
Caltech (various campus locations)

$175 per registration
Registration includes all four days of Half Century Club events, receptions, scheduled meals, reunion sessions, tours, tour transportation, and a gift for each guest.

Register by May 5, 2025.