camouflage, infrared photography, aerial surveillance

Above Page 2 of the Color Feature Section of the Boston Sunday Post, December 27, 1936. It discusses wartime camouflage in relation to infrared photography, and credits the achievements of Albert William Stevens (1886-1949), US Army Air Corps, a balloonist and aerial photographer. 

In a Wikipedia biography, it is noted that (in 1930) Captain Stevens “took the first photograph of the Earth in a way that the horizon’s curvature is visible,” and that, two years later, he “took the first photograph of the Moon’s shadow projected onto the Earth during a solar eclipse…”