Ruth Hubbard was a professor of biology at Harvard University, where she was the first woman to hold a tenured professorship position in biology.
In 1924, Hubbard was born Ruth Hoffmann in Vienna, Austria and escaped Nazism as a teenager. With her family, she moved to the Boston area and she became a biologist. She graduated from Radcliffe College in 1944, earning an A.B. in biochemical sciences. She was married to Frank Hubbard from 1942 to 1951.