John William Draper
John William Draper (May 5, 1811, - January 4, 1882) was an American (English-born) scientist, philosopher, physician, chemist, historian, and photographer.
Benson John Lossing, ed. Harper's Encyclopedia of United States History (vol. 3) (New York, NY: Harper and Brothers, 1912)
Courtesy the private collection of Roy Winkelman