Hugh Hefner was born in Chicago in 1926 to conservative Protestant parents. He attended public schools in Chicago and was an average student despite his high IQ. After serving in the army during World War II, he earned his bachelor's degree from the University of Illinois. In 1951, he started working for Esquire magazine but left to start his own magazine, Playboy, which featured Marilyn Monroe on its first cover and grew rapidly. Hefner lived a lavish lifestyle depicted in Playboy and owned mansions in Los Angeles and Chicago where he hosted celebrities. He continued leading Playboy Enterprises until his death in 2017 at age 91.