British industrialist and pioneer of automation. Born to Russian-Jewish parents, he studied law at Birkbeck College in the University of London, formed his own company in 1935, and for many years headed the revamped firm of Elliott-Automation Ltd., which, outside the United States, was the largest computer manufacturer in the world. He was a member of the Council for Scientific and Industrial Research, 1963-1965 and the Advisory Council on Technology, 1964-1979. He was a director of the Royal Opera House, Covent Garden, 1962-1970. He founded the Friends of Covent Garden, and chaired it, 1962-1969. He was Reith Lecturer, 1964. The Bioengineering department of Imperial College London was named the Sir Leon Bagrit centre in his honour in 1991, after the Bagrit Trust provided funding for it to be built.