Offices and labs for applied physics are located in Watson, which was built with funds provided by the Watson family and other private donors. Thomas J. Watson, Jr., was a member of the Board of Trustees from 1961 to 1992.

Architect: Gyo Obata of Hellmuth, Obata & Kassabaum
Year occupied: 1982
Building number: 95
Building size: 41,029 gross square feet