Gaius Cassius Longinus (? - 42 b.c.), Roman soldier and politician. He conceived the plot against Julius Caesar's life and persuaded Brutus, a friend of Caesar, to join the conspiracy. AfterCaesar's murder, public opinion turned against the conspirators, and they fled Rome. See also Caesars, Julius in this glossary.—SHSBC Binder 33 Approved Glossary