A teacher is jailed for teaching evolution in the South bringing two legal giants, one an athiest and one a creationist, to battle for more than the teacher's fate in a sweltering southern courtroom. This first rate drama was based on the real "Scopes Trial" in which Clarence Darrow and William Jennings Bryant were the attorneys. Gene Kelly plays H.L. Mencken. Academy Award Nominations: 4, including Best Actor--Spencer Tracy, Best (Adapted) Screenplay.