noun (n)

• a librettist who was a collaborator with Sir Arthur Sullivan in a famous series of comic operettas (1836-1911)(noun.person)

  Synonym:
  gilbert, sir william gilbert, william s. gilbert, william schwenk gilbert
  

  source: wordnet30
• English court physician noted for his studies of terrestrial magnetism (1540-1603)(noun.person)

  Synonym:
  gilbert
  

  source: wordnet30