Peter Parnell is the coauthor, with Justin Richardson, of And Tango Makes Three. He is a playwright whose plays have been produced at the Public Theater and Playwrights Horizons in New York City, the Mark Taper Forum in Los Angeles, and the Seattle Repertory Company, among others. His play QED was produced on Broadway. He has written extensively for television as a producer for both The West Wing and The Guardian; he has also written episodes of Maurice Sendak's series Little Bear. He lives in New York City.