- Thomson, Virgil Thomson, Virgil Garnett Thomson - United States composer who collaborated with Gertrude Stein (1896-1989)
--1 is a kind of composer
- Thomson, Elihu Thomson - United States electrical engineer (born in England) who in 1892 formed a company with Thomas Edison (1853-1937)
--2 is a kind of electrical engineer
- Thomson, George Paget Thomson, Sir George Paget Thomson - English physicist (son of Joseph John Thomson) who co-discovered the diffraction of electrons by crystals (1892-1975)
--3 is a kind of physicist
- Thomson, Joseph John Thomson, Sir Joseph John Thomson - English physicist who experimented with the conduction of electricity through gases and who discovered the electron and determined its charge and mass (1856-1940)
--4 is a kind of physicist