Born 4 September 1892. From 1917 to 1960, Kennedy taught art history at Smith College, Northampton, Massachusetts. In 1920-1921, Kennedy studied cleaning and photographing sculpture with Franz Studniczka at the American School for Classical Studies in Athens, Greece. He specialized in the cleaning, lighting and photographing of works of art, especially sculpture. From 1940 to 1945, Kennedy taught courses in three-dimensional photography at Smith College. He also developed stereo-photography for aerial mapping. In the late 1940s, Kennedy produced a series of photographs of Yosemite, California, made with Ansel Adams (ULAN).