Mary Stuart MacDougall (b. 1885) was educated at Randolph-Macon (A.B., 1912), University of Chicago (M.S., 1917), and Columbia University (Ph.D., 1925). She was a professor of biology and eventually department head at Agnes Scott College, 1920-1952, where her research focused on cytology and protozoology. For fourteen summers, MacDougall did research and served as instructor in protozoology at the Marine Biological Laboratory at Woods Hole. She was the author of Biology: The Science of Life (1943)