Geiger, << GUY ger, >> Abraham (1810-1874), was a Jewish theologian and a leader of Reform Judaism. His most important work was done in Breslau, where he organized the Jewish Reform movement. Geiger taught that Judaism must constantly develop and change. His books concerned chiefly Biblical subjects and the history of Judaism. In 1870, he became head of the seminary for Jewish science in Berlin. Geiger was born in Frankfurt, Germany.
