Founder of the American Atheists organization, serving as its president from 1963–1986. In 1995, she was kidnapped and murdered along with her son and granddaughter by a former employee. ALS signed “Madalyn O’Hair,” one page, 5 x 7.5, personal letterhead, October 22, 1971. In full: “I think you should know that I believe ‘hand writing’ is a feature of cultural conditioning. I was instructed in script writing such as this in elementary school and in the fifth grade said, ‘T’ hell with it! Everyone writes like that!’” Under her signature, O’Hair adds, “usual signature, M. O’Hair.” In fine condition, with some mild edge toning. RRAuction COA.