W. Michael Blumenthal was the US Secretary of the Treasury in the Carter administration from 1977 to 1979. Born in Germany in 1926, he moved to the United States in 1947 and was educated at Berkeley and Princeton. He served as an ambassador and deputy special representative for trade negotiations under John F. Kennedy and Lyndon Johnson, and was chairman and chief executive officer of the Bendix and Burroughs (later Unisys) Corporations. He is currently the director of the Jewish Museum of Berlin, and is the author of The Invisible Wall: Germans and Jews. He splits his time between Princeton, New York, and Berlin.