John Kenneth Galbraith

John Kenneth Galbraith (October 15, 1908 – April 29, 2006), also known as Ken Galbraith, was a Canadian-American economist, diplomat, public official and intellectual. He supported liberalism and post-Keynesian economics.
Galbraith was a long-time Harvard faculty member. 
A Democrat, he worked under the administrations of Franklin D. Roosevelt, Harry S. Truman, John F. Kennedy, and Lyndon B. Johnson. He was United States Ambassador to India under the Kennedy administration. 
Galbraith died of natural causes at a hospital in Cambridge, Massachusetts on April 29, 2006 at the age of 97.