Also wrote westerns as Clay Fisher. Henry Wilson Allen (September 12, 1912 – October 26, 1991) was an American author and screenwriter. He used several different pseudonyms for his works. His 50+ novels of the American West were published under the pen names Will Henry and Clay Fisher. Allen's screenplays and scripts for animated shorts were credited to Heck Allen and Henry Allen. Allen's career as a novelist began in 1952, with the publication of his first Western No Survivors. Allen, afraid that the studio would disapprove of his moonlighting, used a pen-name to avoid trouble.[3] He would go on to publish over 50 novels, eight of which were adapted for the screen. Most of these were published under one or the other of the pseudonyms Will Henry and Clay Fisher. Allen was a five-time winner of the Spur Award from the Western Writers of America and a recipient of the Levi Strauss Award for lifetime achievement. Henry Wilson Allen was born in Kansas City, Missouri. Allen died of pneumonia on October 26, 1991 in Van Nuys, California. He was 79.