ALSBERG, CARL LUCAS ), American bio chemist, was born in New York city, on April 2, 1877. He gradu ated at Columbia university in 1896 and from the College of Physicians and Surgeons in 190o. Following three years' study in 1900-03 at the universities of Berlin and Strassburg, Germany, he was an assistant and instructor in biological chemistry in Harvard university until 1908. From 1908 to 1912 he was chemical biolo gist in the bureau of plant industry and from 1912 to 1920 he was chief of the bureau of chemistry in the U.S. Department of Agri culture. In 1920 he was made director of the Stanford Food Re search Institute, Stanford university, California. His researches include investigations on the biology and toxicology of moulds, cyanogenesis in plants, poisonous plants, phosphoric acid metabo lism, nucleic acids, proteins, cystinuria, enzymes and the chemistry of foods.