Donald Johnson Hardenbrook (1896-1976) was a broker, banker, and manufacturing executive in New York City. He was a member of the New York Stock Exchange from 1933-1943 and assistant to the president, vice-president, and director of Union Bag and Paper Corp. beginning in 1943. From 1958-1962 he was chairman of the company's American Creosoting Company subsidiary. Hardenbrook was president of the National Association of Manufacturers in 1962, president of Keep America Beautiful, Inc. beginning in 1965, and from 1965-1970 was president of Junior Achievement.
From the description of Papers, 1888-1965 (bulk 1950-1965). (University of Wyoming, American Heritage Center). WorldCat record id: 29527631