Joseph McCarthy was a senator of Wisconsin from 1947-57

1. Joseph McCarthy was a senator of Wisconsin from the period of 1947 until 1957. He was TERRIFIED of communist take-over of America. In 1950 he claimed to have the name of these Russian spies working in the U.S. The term "McCarthyism," coined after his libels in 1950, is still used to refer to accusations of disloyalty, subversion, or treason without proper regard for evidence.