The '''sexual revolution''' of the 1950s and 1960s was based on the ideas of three men: [[Sigmund Freud]], [[Alfred Kinsey]], <ref>Judith A. Reisman, [http://www.rsvpamerica.org/chapter%202.pdf ''Kinsey: Crimes and Consequences the Red Queen and the Grand Scheme''] </ref> and [[Hugh Hefner]], although the doctrines of the sexual revolution ... had their roots in the "[[free love]]" movement of [[Marxism]] in the 1840s and in [[Margaret Sanger]]'s writings in the early 20th century. [http://www.ladiesagainstfeminism.com/artman/publish/LAF_Theme_Articles_13/You_Don_t_Know_Feminism_744100744.shtml] | The '''sexual revolution''' of the 1950s and 1960s was based on the ideas of three men: [[Sigmund Freud]], [[Alfred Kinsey]], <ref>Judith A. Reisman, [http://www.rsvpamerica.org/chapter%202.pdf ''Kinsey: Crimes and Consequences the Red Queen and the Grand Scheme''] </ref> and [[Hugh Hefner]], although the doctrines of the sexual revolution ... had their roots in the "[[free love]]" movement of [[Marxism]] in the 1840s and in [[Margaret Sanger]]'s writings in the early 20th century. [http://www.ladiesagainstfeminism.com/artman/publish/LAF_Theme_Articles_13/You_Don_t_Know_Feminism_744100744.shtml] |