WordNet sense 1 (United States composer who collaborated with Gertrude Stein (1896-1989)):

Virgil Garnett Thomson, Virgil Thomson

WordNet sense 2 (United States electrical engineer (born in England) who in 1892 formed a company with Thomas Edison (1853-1937)):

Elihu Thomson

WordNet sense 3 (English physicist (son of Joseph John Thomson) who was a co-discoverer of the diffraction of electrons by crystals (1892-1975)):

George Paget Thomson, Sir George Paget Thomson

WordNet sense 4 (English physicist who experimented with the conduction of electricity through gases and who discovered the electron and determined its charge and mass (1856-1940)):

Joseph John Thomson, Sir Joseph John Thomson