Frederick R. Koch

Frederick Robinson Koch (; August 26, 1933 – February 12, 2020) was an American businessman, art collector and philanthropist.
He was the oldest of the four sons born to American industrialist Fred Chase Koch, founder of what is now Koch Industries, and Mary Clementine (née Robinson) Koch.
Koch's Frederick R. Koch Foundation was a major donor in New York to the Pierpont Morgan Library. He donated to the Frick Collection and, in Pittsburgh, to the Carnegie Museum of Art.
Yale president Richard C. Levin described the Koch collection as "one of the greatest collections to come to Yale since the year of its founding."
Koch many historic places only to restore them such as the Donahue house, a Woolworth mansion in Manhattan; the Habsburg hunting lodge "Schloss Blühnbach" near Salzburg; the Romanesque Villa "Torre Clementina" in Cap Martin, France; and Elm Court, a manse in Butler, Pennsylvania.
Koch helped restore the Royal Shakespeare Company's Swan Theater in England from its 1879 remains.
Koch died on February 12, 2020 at his Manhattan home from heart failure, aged 86.