Sir Isaac Newton, experimenting with a prism, discovered the solar spectrum. A Half Century of Color, Louis Walton Sipley, 1951, page 2.
Nevada Fall, Rainbow, Yosemite National Park, California, Ansel Adams, 1946. Ansel Adams in Color, Harry M. Callahan, 1993, page 118. Thomas Young (1773-1829)
The Responses to Light of Three Types of Cones, The Art of Color Photography, John Hedgecoe, 1978, page 30. The Eye. Color Photography, Peter Glendinning, 1985, page 29.
Color in Photo: The History of Color Photography from 1861 to 1981, Josef-Haubrich- Kunsthalle Koln, 1981 Retina. Color in Photo: The History of Color Photography from 1861 to 1981, Josef- Haubrich-Kunsthalle Koln, 1981.
Illustration of the Mechanism of the Eye and Brain, The Art of Color Photography, John Hedgecoe, 1978, page 31. J. Clerk Maxwell, May 17th 1861. The Illustrated History of Color Photography, Jack H. Coote, 1993, page 14.
Image of Tartan Ribbon, James Clerk Maxwell, Image Beamed through Colored Filters, 1861. The Art of Color Photography, John Hedgecoe, 1978, page 252. The Lantern Plate Used by Clerk Maxwell to Demonstrate Three-Color Additive Photography. The Illustrated History of Color Photography, Jack H. Coote, 1993, page 14.
Three-Color Projection. Color in Photo: The History of Color Photography from 1861 to 1981, Josef-Haubrich-Kunsthalle Koln, 1981, page 220. Louis Ducos du Hauron. Color Photography, Peter Glendinning, 1985, page 5.
Three-Color Specimen, Louis Ducos du Hauron, 1870. A Half Century of Color, Louis Walton Sipley, 1951, page 10. Still-Life With Butterfly, Louis Ducos du Hauron, 1875. The Illustrated History of Color Photography, Jack H. Coote, 1993, page 19.
Early Subtractive Landscape, Ducos du Hauron, 1877. The Book of Color Photography, Adrian Bailey and Adrian Holloway, 1982, page 19. Louis Ducos Du Hauron 3-color carbon transparency 1879. GEH collection.
Louis Ducos Du Hauron 3-color carbon transparency (detail) 1879. GEH collection. Hermann Wilhelm Vogel. Color in Photo: The History of Color Photography from 1861 to 1981, Josef-Haubrich-Kunsthalle Koln, 1981, page 74.
Vogel, 1873. The Illustrated History of Color Photography, Jack H. Coote, 1993, page 20. Reverend Levi L. Hill, 1851, Hillotype. Color as Form, 1982, page 3.
Hand colored dag.