Irving Bunim
Irving M. Bunim was a businessman, philanthropist, and a lay leader of Orthodox Jewry, in particular the Young Israel movement in the United States from the 1930s until his death in 1980. As an assistant to Aharon Kotler, he was involved in aspects of Torah dissemination, philanthropy and Holocaust rescue. He has been referred to as "perhaps the most impactful lay leader in American Jewish history".