Background
Source: Wikipedia
John William Draper (May 5, 1811 – January 4, 1882) was an English polymath: a scientist, philosopher, physician, chemist, historian and photographer. He is credited with pioneering portrait photography (1839–40) and producing one of the first detailed photographs of the moon in 1840. He was also the first president of the American Chemical Society (1876–77) and a founder of the New York University School of Medicine.
