Virginia E. Johnson Virginia E. Johnson , born Mary Virginia Eshelman ( February 11 , 1925 -- July 24 , 2013 ) , was an American sexologist , best known as the junior member of the Masters and Johnson sexuality research team .
Virginia E. Johnson Virginia Eshelman Johnson ( February 11 , 1925 -- July 24 , 2013 ) was an American sexologist and psychologist , best known as the junior member of the Masters and Johnson sexuality research team .