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- Koichi Tanaka, (born 1959), 2002 Nobel Prize in Chemistry
- Henry Taube, (1915–2005), 1983 Nobel Prize in Chemistry
- Louis Jacques Thénard, (1777–1857), French chemist, discovered hydrogen peroxide and Thenard's Blue.
- J. J. Thomson, (1856–1940), British physicist, Known in chemistry for discovery of Isotopes
- Arne Tiselius, (1902–1971), 1948 Nobel Prize in Chemistry
- Max Tishler, (1906–1989), 1970 Priestley Medal
- Alexander R. Todd, Baron Todd, (1907–1997), 1957 Nobel Prize in Chemistry
- Evangelista Torricelli, Italian Physicist and Chemist who invented the Barometer, pupil of Galileo
- Roger Y. Tsien, (born 1952), 2008 Nobel Prize in Chemistry
- Mikhail Tsvet, (1872–1919), Russian botanist, known for adsorption chromatography
Read more about this topic: List Of Chemists