Question: What did John T. Thompson invent and lend his name to, a notorious feature of the Prohibition era that earned nicknames including the "Chicago Typewriter" and "Trench Sweeper"?
Sentence (from "John T. Thompson"): John Taliaferro (pronounced "tolliver") Thompson (December 31, 1860 – June 21, 1940) was a United States Army officer best remembered as the inventor of the Thompson submachine gun.
Relevant evidence: Yes