JOHN T. PHILLIFENT

According to Wikipedia: "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."