0Playboy's 10 Most Important People In SexPlayboy's list of the most important people in sex from the past 55 years—and, no, Hef isn't No. 1—reminds the author why we still need America's smartest smut. And not just for the articles.Updated Jul. 14, 2017 10:22AM EDT / Published Jan. 12, 2009 8:27AM EST David Mcgough, DMI, Time Life Pictures / Getty Images 10. MadonnaDavid Mcgough, DMI, Time Life Pictures / Getty Images 9. Peter Dunn and Albert WoodPfizer / AP Photo 8. Timothy Berners-LeeCatrina Genovese, Liason Agency / Getty Images 7. The Rolling StonesMichael Ochs Archives / Getty Images 6. Monica LewinskyAPTV / AP Photo 5. Marilyn MonroeMichael Ochs Archives / Getty Images 4. Alex ComfortAP Photo 3. Hugh HefnerAP Photo 2. Dr. John RockPictorial Parade / Getty Images 1. Alfred KinseyArthur Siegel, Time Life Pictures / Getty Images
10. MadonnaDavid Mcgough, DMI, Time Life Pictures / Getty Images 9. Peter Dunn and Albert WoodPfizer / AP Photo 8. Timothy Berners-LeeCatrina Genovese, Liason Agency / Getty Images 7. The Rolling StonesMichael Ochs Archives / Getty Images 6. Monica LewinskyAPTV / AP Photo 5. Marilyn MonroeMichael Ochs Archives / Getty Images 4. Alex ComfortAP Photo 3. Hugh HefnerAP Photo 2. Dr. John RockPictorial Parade / Getty Images 1. Alfred KinseyArthur Siegel, Time Life Pictures / Getty Images