Mathematician, Zionist leader. Brought to England from Russia at the age of five, Brodetsky was a professor of mathematics at the Universities of Bristol and Leeds. In 1921, he attended his first Zionist Congress; he was elected to the World Zionist Executive in 1928. Brodetsky was president of the Board of Deputies of British Jews and of the Zionist Federation of Great Britain from 1940 to 1949, and served as president of the Hebrew University in Jerusalem from 1949 until 1951.