Stephen Russell Davies (/ˈdeɪvɪs/ DAY-vis; born 27 April 1963) is a Welsh screenwriter and television producer known professionally as Russell T Davies. He is best known for being the original showrunner and head writer of the 2005 revival of the BBC sci-fi series Doctor Who, from 2005 to 2010 and again since 2023. His other notable works include creating the series Queer as Folk (1999–2000), Bob & Rose (2001), The Second Coming (2003), Casanova (2005), Doctor Whospin-offs Torchwood (2006–2011) and The Sarah Jane Adventures (2007–2011), Cucumber (2015), A Very English Scandal (2018), Years and Years (2019), It's a Sin (2021) and Nolly (2023).