Dr. William Beebe, noted naturalist, Simon Lake, vet submarine inventor, and Frank Crilley, deep sea diver, left to right, pictured aboard the aboard the Explorer, a midget undersea craft during a demonstration held off City Island, New York, December 20, 1932. The Explorer which is a compromise between a diving bell and a submarine is only 22 feet long with a 6-foot beam. (Photo by AP Photo)
