Half Century Club
Come home to Caltech. The Half Century Club celebrates all alumni who graduated 50 or more years ago, and this year, we’re inducting the Class of 1976.
A Weekend of Community, Tradition, and Celebration.
Join a weekend of connection and discovery, including a welcome reception with President Thomas F. Rosenbaum, the induction ceremony, House gatherings, tours of JPL, Mount Wilson Observatory, and the Caltech Archives, plus faculty conversations and more.
Register by Friday, May 1, 2026.
Schedule
Browse the full lineup, including receptions, faculty sessions, House gatherings, and Pasadena explorations.
Register
Registration includes four days of events, scheduled meals, refreshments, tours, receptions, faculty and student sessions, and a welcome gift.
See Who’s Attending
See who’s registered and find classmates who are planning to attend.
Plan Your Visit
Find campus resources, maps, parking details, Pasadena highlights, and helpful information for Caltech visitors.
FAQs
Questions about registration, parking, dress code, or accessibility?
We’ve answered the most common questions to help you prepare.
