D.Mus), principal harpist of the Boston Symphony Orchestra and the Boston Pops Martin V. Pratt, member of the Wisconsin State Assembly Jason Schappert, aviator[52] Chris Sparling, screenwriter and director Frank Palmer Speare, (1889), first president of Northeastern University Robert Stack, actor and former host of Unsolved Mysteries Ken Stone, professional mixed martial artist David B. Sullivan, (MEd), member of the Massachusetts House of Representatives (served 1997–2013) Karl Wiedergott, voice actor on The Simpsons