Wyman Woods Guin (pseud: Norman Menasco) (March 1, 1915 — February 19, 1989) was a pharmacologist and advertising executive best known for writing science fiction.
Born in Wanette, Oklahoma, he started publishing during 1950, and gained attention the following year with his novella Beyond Bedlam.He is best known as a short story writer and was associated strongly with Galaxy Science Fiction magazine. He produced only one novel, The Standing Joy.