Exeter alumni pursue careers in various fields. Other alumni noted for their work in government include Gifford Pinchot, Lewis Cass, Judd Gregg, Jay Rockefeller, Kent Conrad, John Negroponte, Bobby Shriver, Robert Bauer and Peter Orszag. Alumni notable for their military service include Secretary of Navy George Bancroft, Benjamin Butler, and Charles C. Krulak. Authors George Plimpton, John Knowles, Gore Vidal, John Irving (whose stepfather taught at Exeter), Robert Anderson, Dan Brown (whose father taught at Exeter), Peter Benchley, James Agee, Chang-Rae Lee, Debby Herbenick, Stewart Brand, Norb Vonnegut and Roland Merullo also attended the academy.