Edward Steichen (1879-1973) played a key role in the development of photography in the twentieth century. He is well known for his varied career as an artist, a celebrated photographer and a museum curator. However, Steichen is less known for his pivotal role in shaping America's first experiments in aerial photography as a tool for intelligence gathering in what may be called his 'lost years'. In Camera Aloft, Von Hardesty tells how Steichen volunteered...