Source : WordNet®

William Gilbert
     n 1: a librettist who was a collaborator with Sir Arthur Sullivan
          in a famous series of comic operettas (1836-1911) [syn:
          {Gilbert}, {William S. Gilbert}, {William Schwenk
          Gilbert}, {Sir William Gilbert}]
     2: English court physician noted for his studies of terrestrial
        magnetism (1540-1603) [syn: {Gilbert}]