Pornographic magazine While the 1940s images focused mostly on legs, by the 1950s, the emphasis shifted to breasts. Betty Grable and Marilyn Monroe were two of the most popular pinup models. Marilyn Monroe continued to be a popular model for the men's magazines in the 1950s. The 1950s saw the rise of the first mass-market softcore pornographic magazines: "Modern Man" in 1952 and "Playboy" in 1953. Hugh Hefner's "Playboy" started a new style of the men's glossy magazine (or girlie magazine). Hefner coined the term centrefold, and in the first edition of his "Playboy" used a photograph of a nude Marilyn Monroe,
The Playboy Club during a time period that was still repressive of that culture. "The Playboy Club" also touched upon changing thoughts with regard to racial diversity during the 1960s. One of the supporting characters, Brenda, seeks to become the first African American Playboy Bunny. Her role in the series illustrates Hugh Hefner's decision to integrate his clubs, both by hiring black women and allowing black key-holders and performers, which was considered unusual at the time. Brenda was loosely based on the model Jennifer Jackson, the actual first Black Playmate of the Month, although neither Naughton nor the "Playboy Club" producers contacted Jackson