DEUTSCHLAENDER, LEO (1888–1935), educationist and writer. Born in Berlin, he became head of Jewish education in Lithuania during World War i, first as appointee of the German occupation authorities. He was co-founder of the first Orthodox secondary school Yavneh in Kaunas (Kovno). When director of the Keren ha-Torah of *Agudat Israel, he helped Sara Schnirer to develop the *Beth Jacob Orthodox girls' education network, mainly in Poland, and headed its Teachers Training College for women in Cracow.
Deutschlaender's published work includes West-Oestliche Dichterklaenge (1919); Goethe und das Alte Testament (1923); Biblisch-talmudische Sentenzen (1931); History of the Beth Jacob Girls Schools (1933); and various textbooks for schools. He also wrote on education for the Hebrew and Yiddish periodicals published by Agudat Israel. He died in Vienna.
Grunfeld-Rosenbaum, in; L. Jung (ed.), Jewish Leaders (1964), 426ff.; Nachalath Z'wi, 5 (1935), 344–5; lnyl, 2 (1958), 495–6.