Russell T. Davies is a Welsh television writer and producer, best known for revitalizing the iconic British sci-fi series Doctor Who in 2005. His work on the show brought a new generation of fans and introduced memorable characters, including the Ninth Doctor, played by Christopher Eccleston, and the Tenth Doctor, portrayed by David Tennant. In addition to Doctor Who, Davies created and produced several other successful series, such as Queer as Folk and It's a Sin. His storytelling often explores themes of identity, love, and social issues, earning him critical acclaim and numerous awards throughout his career.