Watkins was born on 6 August 1924 in
Shepherd's Bush, London, England. Her father worked as an engraver but he was an artist in his spare time. She took to science after she won a scholarship to
The Godolphin and Latymer School for Girls in
Hammersmith. In 1939 the whole school was evacuated from London with no forward planning for where the school would stay. Watkins returned to London after a year. and she obtained special permission to be credited on a joint paper as she lacked the qualifications normally required. She eventually obtained a degree in Physics and Chemistry in 1947 from
London University. After studying at
St Bartholomew's Hospital Medical School she obtained a doctorate in biochemistry from the
University of London in 1950. ==Academic career==