. . . . . "Thompson Submachine Gun, Caliber .45"@en . . "The Thompson submachine gun (nicknamed the Thompson) is an American submachine gun, invented by John T. Thompson in 1918, that became infamous during the Prohibition era. It was a common sight in the media of the time, being used by both law enforcement officers and criminals."@en . . . "0.8509"^^ . . . . . . . "4898.88"^^ .