1. (

• gilbert ,
• Gb ,
• Gi

) a unit of magnetomotive force equal to 0.7958 ampere-turns ;

2. (

• Gilbert ,
• William_Gilbert ,
• William_S._Gilbert ,
• William_Schwenk_Gilbert ,
• Sir_William_Gilbert

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

3. (

• Gilbert ,
• William_Gilbert

) English court physician noted for his studies of terrestrial magnetism (1540-1603) ;

4. (

• Gilbert ,
• Humphrey_Gilbert ,
• Sir_Humphrey_Gilbert

) English navigator who in 1583 established in Newfoundland the first English colony in North America (1539-1583) ;

5. (

• Gilbert ,
• Cass_Gilbert

) United States architect who influenced the development of the skyscraper (1859-1934) ;