D.W. "Prof" Smith was a science fiction author in the late 1930s and early 1940s, who used various pseudonyms, including Ray Hamil, Lester Lee and Don Simster. He was the main writer of Captain Proton adventures by 1940 and author of the bestselling scientifiction magazine, Captain Proton: Defender of the Earth. (VOY anthology: Captain Proton: Defender of the Earth)

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