LEHMANN, LÉONCE (1836–1892), French advocate and philanthropist, born in Augsburg, Bavaria. He was appointed secretary to the Turkish embassy in Naples (1856). Later Lehmann practiced law in Paris. In 1870 Adolphe *Crémieux made him chief secretary at the Ministry of Justice. He was a member of the central committee and then general secretary of the *Alliance Israélite Universelle from 1888 to 1892. In 1869 Lehmann and Narcisse *Leven visited the hunger-stricken Jewish centers in Lithuania and Poland. In 1887 Lehmann traveled to Russia and negotiated with the government about Baron de *Hirsch's projected loan of 50,000,000 francs for the establishment of Jewish elementary and professional schools in Russia.
Bulletin de l'Alliance Israélite Universelle (1892), 14–15; N. Leven, Cinquante ans d'histoire: L'Alliance Israélite Universelle (1860–1910), 2 (1920), index.