Quote Origin: Behold the Turtle. He Makes Progress Only When His Neck Is Out

James B. Conant? Atomic Scientist? Anonymous Cartoonist? Leslie Groves? G. B. Carter? P. C. Keith? Question for Quote Investigator: Making headway in life requires taking significant risks. This thought has been presented with a homespun aquatic analogy. Here are three versions: This saying has been credited to James B. Conant, a chemist who was the …