"is effectively a lifetime achievement award." He became a member of the American Theater Hall of Fame (2014). In 2013, Sondheim was awarded The Edward MacDowell Medal by The MacDowell Colony for outstanding contributions to American culture In November 2015, Sondheim was awarded the Presidential Medal of Freedom by President Barack Obama in a ceremony at the White House. Sondheim founded Young Playwrights Inc. in 1981 to introduce young people to writing for the theater, and was the organization's executive vice-president. The Stephen Sondheim Center for the Performing Arts, at the Fairfield Arts and Convention Center in Fairfield, Iowa, opened in December 2007 with performances by Len Cariou, Liz Callaway, and Richard Kind, all of whom had participated in Sondheim musicals. The Stephen Sondheim Society was established in 1993 to provide information about his work, with its Sondheim – the Magazine provided to its membership. The society maintains a database, organizes productions, meetings, outings, and other events, and assists with publicity. Its annual Student Performer of the Year Competition awards a £1,000 prize to one of twelve musical-theatre students from UK drama schools and universities. At Sondheim's request, an additional prize is offered for a new song by a young composer. Judged by George Stiles and Anthony Drewe, each contestant performs a Sondheim song and a new song. Most episode titles of the television series Desperate Housewives refer to Sondheim's song titles or lyrics, and the series finale is titled "Finishing the Hat". In 1990, Sondheim, as the Cameron Mackintosh chair in musical theater at Oxford, conducted workshops with promising musical writers including George Stiles, Anthony Drewe, Andrew Peggie, Paul James, Kit Hesketh-Harvey, and Stephen Keeling. The writers founded the Mercury Workshop in 1992, which merged with the New Musicals Alliance to become MMD (a UK-based organization to develop new musical theater, of which Sondheim was a patron). Signature Theatre in Arlington, Virginia established its Sondheim Award, which includes a $5,000 donation to a nonprofit organization of the recipient's choice, "as a tribute to America's most influential contemporary musical theatre composer". The first award, to Sondheim, was presented at an April 27, 2009, benefit with performances by Bernadette Peters, Michael Cerveris, Will Gartshore, and Eleasha Gamble. The 2010 recipient was Angela Lansbury, with Peters and Catherine Zeta-Jones hosting the April benefit. The 2011 honoree was Bernadette Peters. Other recipients were Patti LuPone in 2012, Hal Prince in 2013, Jonathan Tunick