The Columbia Encyclopedia, Sixth Edition. 2001-07.
Ladd-Franklin, Christine
1847–1930, American scientist, b. Windsor, Conn., grad. Vassar 1869. She was the first woman student to enter Johns Hopkins (1878), her special studies being directed toward logic and the theory of color. She studied in Göttingen (1891–92) and worked in Helmholtz’s laboratory, developing the theory of color vision that bears her name and that is described in Colour and Colour Theories (1929), a collection of her papers.
