Șerban Țițeica (born 27.03.1908) - Romanian theoretical physicist, a member of the Academy of the Socialist Republic of Romania (1955), vice-president (from 1963). Born in Bucharest. Graduated from the University of Bucharest (1929), and from 1937 was its professor, and from 1956 at the same time deputy director of the Institute of Atomic Physics. In 1962—63 he was vice-director of the Joint Institute for Nuclear Research (Dubna).
His research concerned statistical physics, quantum mechanics, atomic and nuclear physics, and elementary particle physics. He constructed the first quantum theory of the magnetoresistance of metals (1935).
Foreign Member of the USSR Academy of Sciences (1966).