East Bridge is the oldest academic building on campus and home of the Division of Physics, Mathematics and Astronomy. Nobel laureate Robert A. Millikan's laboratories were in this structure, and Feynman Lecture Hall can be found on the second floor.

The building was a gift from Norman Bridge, president of the Board of Trustees from 1896 to 1917.

Architect: Bertram Grosvenor Goodhue
Year occupied: 1922
Building number: 33E
Building size: 33,859 gross square feet