Nouns

(n)Fischer, Hans FischerGerman chemist noted for his synthesis of hemin (1881-1945)
(n)Hermann Emil Fischer, Fischer, Emil Hermann FischerGerman chemist noted for work on synthetic sugars and the purines (1852-1919)
(n)Fischer, Bobby Fischer, Robert James FischerUnited States chess master; world champion from 1972 to 1975 (born in 1943)