sentences:  In addition to his contributions to "Handbook of Colorimetry" (1936) he was a major contributor to OSA's 1953 book "The Science of Color".His interest in the history of color science resulted in publication in 1970 of "Sources of Color Science", a compilation of 26 seminal papers on color science, from Plato to Le Gros Clark, several translated for the first time into English.In 1981 he published "Color Measurement