Salisbury steak (n.)Related entries & more
1897, from J.H. Salisbury (1823-1905), U.S. physician and food specialist, who promoted it. Incorrect use for "hamburger" traces to World War I and the deliberate attempt to purify American English of German loan words.
big bang (n.)Related entries & more
hypothetical explosive beginning of the universe, developed from the work of astronomers Monsignor Georges Henri Joseph Édouard Lemaître and George Gamow; the phrase is first attested 1950 (said to have been used orally in 1949) by British astronomer Fred Hoyle (1915-2001) in an attempt to explain the idea in laymen's terms.