Walter Brown Gibson (September 12, 1897 – December 6, 1985) was an American writer and professional magician, best known for his work on the pulp fiction character The Shadow. Gibson, under the pen-name Maxwell Grant, wrote "more than 300 novel-length" Shadow stories, writing up to "10,000 words a day" to satisfy public demand during the character's golden age in the 1930s and 1940s. He authored several novels in the Biff Brewster juvenile series of the 1960s. He was married to Litzka R. Gibson, also a writer, and the couple lived in New York state.
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