Harold K. Hochschild (May 20, 1892 – January 23, 1981) was the president of the American Metal Company, a conservationist, a philanthropist, and the founder of the Adirondack Museum.
[3] Prior to World War I, AMCO made a minority investment in Climax Molybdenum Company, the world's largest producer of molybdenum named after the Climax mine; the investment paid off due to increased demand from the war.
[1] In 1930, AMCO purchased a major interest in two of the world's largest copper mines in Africa.
[1] In 1947, he was elected as board chairman; in 1950, he was replaced as president by his brother, Walter Hochschild.
[1][3] In 1993, AMAX merged with the Cyprus Mines Corporation to form Cyprus Amax Minerals Company, the world's leading producer of molybdenum and lithium, and a leading producer of copper and coal.