staged multiple productions there. Musical graduates include operatic soprano Jessye Norman, singer Joe Dassin, jazz guitarist Randy Napoleon, and Mannheim Steamroller founder Chip Davis. Well-known composers who are alumni include Frank Ticheli, Andrew Lippa, and the Oscar and Tony Award-winning duo Benj Pasek and Justin Paul. Pop superstar Madonna and rock legend Iggy Pop, attended but did not graduate. Other U-M graduates include former Dean of Harvard Law School Martha Minow, Dean of the Wharton School of the University of Pennsylvania Erika H. James, current Dean of Yale Law School, Heather Gerken, assisted-suicide advocate Dr. Jack Kevorkian, Weather Underground radical activist Bill Ayers, activist Tom Hayden, architect Charles Moore, the Swedish Holocaust hero Raoul Wallenberg, and Civil War General Benjamin D. Pritchard. Neurosurgeon and CNN chief medical correspondent Sanjay Gupta attended both college and medical school at the university. Clarence Darrow attended law school at U-M at a time when many lawyers did not receive any formal education. Frank Murphy, who was mayor of Detroit, governor of Michigan, attorney general of the United States, and Supreme Court justice was also a graduate of the Law School. Conservative pundit Ann Coulter is another U-M law school graduate (J.D. 1988). Vaughn R. Walker, a federal district judge in California who overturned the controversial California Proposition 8 in 2010 and ruled it unconstitutional, received his undergraduate degree from U-M in 1966. Kenneth Marin, who became a professor of economics after he graduated from the University of Michigan-Ann Arbor, was appointed by President Lyndon B. Johnson as a member of the White House Consumer Advisory Council where he served on Wage and Price Control in the mid-1960s. He went to Tanzania in the late sixties and worked as an economic advisor to the government of President Julius Nyerere until the early 1970s. U-M athletes have starred in Major League Baseball, the National Football League and National Basketball Association as well as other professional sports. Notable among recent players is Tom Brady of the New England Patriots and the Tampa Bay Buccaneers. Three players have won college football's Heisman Trophy, awarded to the player considered the best in the nation: Tom Harmon (1940), Desmond Howard (1991) and Charles Woodson (1997). Professional golfer John Schroeder and Olympic swimmer Michael Phelps also attended the University of Michigan, with the latter studying Sports Marketing and Management. Phelps also swam competitively for Club Wolverine, a swimming club associated with