Elizabeth (Bauer) Mock (later Kassler) (1911 – February 8, 1998) was director of the Department of Architecture and Design at the Museum of Modern Art (MoMA) and a university professor. She was a charter apprentice at Frank Lloyd Wright's Taliesin, and the first former Taliesin fellow to join the MoMA staff. She was an influential advocate for modern architecture in the United States. In 1946 and 1947, she and Rudolph lived in Knoxville, TN designing pre-fab housing for the Tennessee Valley Authority. Some of the buildings were in Fontana Village.