Sir Paul M. Nurse ( b. January 25 , 1949 ) is a British biochemist , he was awarded the 2001 Nobel Prize in Physiology or Medicine with Leland H. Hartwell and R. Timothy Hunt for their disoveries regarding cell cycle regulation by cyclin and cyclin dependent kinases .
Sir Paul M. Nurse , FRS , ( b. January 25 , 1949 ) is a British biochemist . 
 He was awarded the 2001 Nobel Prize in Physiology or Medicine with Leland H. Hartwell and R. Timothy Hunt for their discoveries regarding cell cycle regulation by cyclin and cyclin dependent kinases .