John W. McCormack was an American politician who served as a member of the U.S. House of Representatives from Massachusetts. He was born on March 21, 1891, and became a prominent figure in the Democratic Party. McCormack held various leadership positions, including serving as the Speaker of the House from 1962 to 1971. Throughout his political career, McCormack was known for his commitment to civil rights and social welfare programs. He played a significant role in the passage of important legislation, including the Civil Rights Act and the Medicare program. McCormack passed away on November 30, 1980.