John Thomas Phillifent (November 10, 1916 – December 15, 1976) was an
English electrical engineer and author of
science fiction and
fantasy. He wrote as
John T. Phillifent and under the pen name
John Rackham. Most of his work was published as by Rackham, the main exceptions being three novels related to
The Man from U.N.C.L.E. series, his short stories published in the magazine
Analog, and a number of late novels. Most of his novels were issued together with the works of other authors as
Ace Doubles.