After education in public schools at
Plattsburgh, New York, Stuart matriculated in 1914 at
Brown University. There he graduated with a bachelor's degree in 1919, an M.S. in 1921, and a Ph.D. in 1923. His Ph.D. thesis is entitled
The Effect of Environmental Changes on the Growth, Morphology, Physiology and Immunological Characteristics of Bacterium typhosum. From 1917 to 1918 he served in the Brown Ambulance Unit of the
American Volunteer Motor Ambulance Corps. In the bacteriology department of Brown University, he was an instructor from 1923–1925, an assistant professor from 1925–1931, an associate professor from 1931 to 1944, and a full professor from 1944 For 35 years, he was a part-time teacher of student nurses at
Rhode Island Hospital. He served as a consultant in bacteriology for several Rhode Island hospitals as a member of the Milk Commission of the Providence Medical Association. Stuart collaborated on a number of scientific papers concerning such factors, especially the availability of bacteria as a food source for the water fleas. In the mid-1930s he did research on
Forssman antigens in
mononucleosis. He did important research on the taxonomy of the family
Enterobacteriaceae. He married in 1924 and his wife often helped him with laboratory work. He is buried in
Swan Point Cemetery. ==Selected publications==