predecessor successor death_date birth_place president death_place title birth_date order term_start image article_title term_end
hugh s. cumming leonard a. scheele 16 february 1968 st. leonard , maryland , usa franklin d. roosevelt harry s. truman pittsburgh , pennsylvania , usa surgeon general of the united states 28 september 1892 6th april 6 , 1936 thomas parran.gif thomas parran , jr. .
 april 6 , 1948
thomas parran , jr. .

thomas parran , jr. -lrb- september 28 , 1892 -- february 16 , 1968 -rrb- was an american physician and public health service officer .
he was appointed the sixth surgeon general of the united states from 1936 to 1948 , overseeing the controversial tuskegee syphilis experiment and guatemala syphilis experiment .
