Glamour photography or startled by the viewer. The subject would usually have an expression of delight which seemed to invite the viewer to come and play. During World War II pin-up pictures of scantily clad movie stars were extremely popular among American servicemen. Betty Grable was one of the most famous pin-up models of all time; her pinup in a bathing suit was extremely popular with World War II soldiers. In December 1953, Marilyn Monroe was featured in the first issue of "Playboy" magazine. Bettie Page was the Playboy Playmate of the Month in January 1955. "Playboy" was the first magazine featuring
Playboy fighter-evaluation squadron. Besides its centerfold, a major part of "Playboy" for much of its existence has been the "Playboy" Interview, an extensive (usually several thousand-word) discussion between a notable individual and an interviewer (historian Alex Haley, for example, served as a "Playboy" interviewer on a few occasions; one of his interviews was with Martin Luther King Jr.; he also interviewed Malcolm X and American Nazi Party founder George Lincoln Rockwell in the April 1966 issue, then coauthored Malcolm X's autobiography). One of the magazine's most notable interviews was a discussion with then-presidential candidate Jimmy Carter in the November 1976 issue,