Home Scientists Charles Knowlton Charles Knowlton Scientist Charles Knowlton (May 10, 1800 – February 20, 1850) was an American physician, atheist and writer. Personal facts Birth dateMay 10, 1800 NationalityUnited States Date of deathFebruary 20, 1850 Known forBirth control facebook tumblr linkedin twitter reddit google+ Search Scientist Field of studyPhysician Topical connections Charles BradlaughPolitician August StrindbergWriter George Huff College coach David Fitzgerald Writer A. I. BezzeridesWriter A. W. DumasScientist A. H. MoorePolitician Charles Knowlton on Wikipedia Charles Knowlton External resources http://archive.org/details/elementsmodernm00knowgoog http://archive.org/details/fruitsphilosoph00knogoog