Pierre Lelong

Pierre Lelong (14 March 1912 Paris – 12 October 2011) was a French mathematician who introduced the Poincaré–Lelong equation, the Lelong number and the concept of plurisubharmonic functions.

Career Lelong earned his doctorate in 1941 from the École Normale Supérieure, under the supervision of Paul Montel. On 5 June 1981 Lelong received an honorary doctorate from the Faculty of Mathematics and Science at Uppsala University, Sweden. He became a member of the French Academy of Sciences in 1985.

Personal life He married another mathematician, Jacqueline Ferrand, in 1947; they separated in 1977.