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Leon S. Moisseiff, Bridge Builder and Jewish Writer, Dead

Leon S. Moisseiff, 70, one of the world’s leading authorities on bridge construction, who came to this country in 1891 from Riga as a Jewish immigrant boy, was buried yesterday at the Mt. Hebron cemetery here. He died during the week-end at his summer home, in Belmar, New Jersey.

Moisseiff wrote in the New York Yiddish press under the pen-name M. Leontieff. He built America’s biggest bridges and in 1940 was named chairman of a structural steel welding research committee organized by the Engineering Foundation. He is credited, among other things, with having developed the now universally accepted deflection theory of suspension bridges.