One in Three Hundred

J. T. McIntosh is a pseudonym used by Scottish writer and journalist James Murdoch MacGregor (born during 1925 in Paisley, Scotland).

MacGregor used the pseudonym for all his science fiction work, which was the majority of his output, though he did publish some books by his own name. His first story, "The Curfew Tolls", appeared inAstounding Science Fiction during 1950, and his first novel, World Out of Mind, was published during 1953.