Source : WordNet®

Calvin
     n 1: United States chemist noted for discovering the series of
          chemical reactions in photosynthesis (1911-) [syn: {Melvin
          Calvin}]
     2: Swiss theologian (born in France) whose tenets
        (predestination and the irresistibility of grace and
        justification by faith) defined Presbyterianism
        (1509-1564) [syn: {John Calvin}, {Jean Cauvin}, {Jean
        Caulvin}, {Jean Chauvin}]