Christine Ladd-Franklin (1847-1930)

Christine Ladd-Franklin (1847-1930)

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Credit: SHEILA TERRY/SCIENCE PHOTO LIBRARY

Caption: U.S. mathematician, logician, and psychologist, best-known for developing a theory accounting for the development of colour vision on an evolutionary basis after studying in the laboratory of Helmholtz in Gottingen. She also made contributions to the study of colour-blindness and binocular vision. Her principal works are The Algebra of Logic (1883), The nature of Color Sensation (1925), Color and Color Theories (1929.

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Keywords: american, binocular vision, color, color theory, color vision, color-blindness, colour, evolution, eye, ladd-franklin, logician, mathematician, psychologist, scientist, u.s.

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