Russell T Davies celebrates his 50th birthday today. He is largely responsible for the return of Doctor Who in 2005. His pitch included a Doctor who was "your best friend; someone you want to be with all the time", the nineteen-year-old Rose Tyler as a "perfect match" for the new Doctor, avoidance of the forty-year back story "except for the good bits", the retention of the TARDIS, sonic screwdriver, and Daleks, removal of the Time Lords, and a greater focus on humanity. Read more on his involvement in the show here.