Mark Rothko (1903 - 1970) was a Latvian-born American painter of jewish ancestry; leader of the New York Abstract-Expressionist school of painters after World War II. He was known for painting rectangular shapes on large canvases.  On February 25, 1970, painter Mark Rothko was found dead in his New York City studio, after having committed suicide at age 66. 
- The New American Desk Encyclopedia, Penguin Group, 1989
- Artist Mark Rothko is found dead.