Joule, James Prescott (24.12.1818–11.10.1889) was an English physicist, one of the discoverers of the law of conservation of energy, and a Fellow of the Royal Society (1850).
Adolfas Pranovich Jucys (12.09.1904-4.02.1974) was a Soviet theoretical physicist and an academician of the Academy of Sciences of the Lithuanian SSR (1953).