Alan H. Kempner

Alan Horace Kempner (July 4, 1897 – December 17, 1985) was an American stockbroker, publishing executive, rare books and manuscripts collector, and philanthropist.

Early life and education Kempner was born in Little Rock, Arkansas, before attending Columbia College, where he majored in Latin and graduated in 1917.

Career Kempner worked at the American Zinc and Chemical Company for nine years, then purchased a seat on the New York Stock Exchange and became a partner in Byfield & Company. He also endowed a professorship of biological sciences at Columbia, which was first held by noted biologist James E. Darnell.

He also served as the president and chairman of the Hospital for Joint Diseases.

Personal life Kempner married Margaret Loeb, the daughter of investment banker and founder of Loeb, Rhoades & Co., Carl M. Loeb, on June 1, 1920. His descendants bearing the Kempner name are still in charge of the successors to the Loeb, Rhoades & Co. investment firm and the Loeb family fortune. His grandson, Thomas Lenox Kempner Jr., co-founded the hedge fund Davidson Kempner Capital Management.

His sister, Charlotte Kempner, married investment banker and founder of the Bank of the West, Sigmund Marshall Kempner, after he was divorced from Barbara Hazel Guggenheim, the daughter of Benjamin Guggenheim and sister of Peggy Guggenheim.