Alice Hamilton (February 27, 1869 – September 22, 1970) was an American physician, research scientist, and author who is best known as a leading expert in the field of occupational health and a pioneer in the field of industrial toxicology. Hamilton trained at the University of Michigan Medical School. She became a professor of pathology at the Woman's Medical School of Northwestern University in 1897. In 1919, she became the first woman appointed to the faculty of Harvard University.