Leon Czolgosz

32 caliber Iver Johnson "Safety Automatic" revolver (serial #A63344) he had purchased four days earlier for $4. Gerin; his brain was autopsied by Edward Anthony Spitzka.

Leon Frank Czolgosz (Polish form: CzołgoszPolish pronunciation: [ˈt͡ʂɔwɡɔʂ]; May 1873 – October 29 1901; also used surname "Nieman" and variations thereof) was the assassin of U. S. In the last few years of his life he claimed to have been heavily influenced by anarchists such as Emma Goldman and Alexander Berkman.