Bradley was born in 1909 to Alan Godfrey Burton Bradley and wife Ruby Malvina Drayton in
Richmond, New South Wales. Alan Burton Bradley was the son of
Henry Burton Bradley, who in turn was the nephew of
William Westbrooke Burton. Claudia Burton Bradley was diagnosed with
diabetes at the age of 11 and was one of the world's first diabetics to receive treatment with
insulin. She attended Cleveland Street Intermediate High School in Sydney and, after graduating in 1928, enrolled at the
University of Sydney studying arts and pharmacy. She qualified as a pharmacist in 1930 and worked in the pharmacy of the Western Suburbs Hospital from 1933 to 1938 before returning to university to complete a
Bachelor of Medicine, Bachelor of Surgery, which she received in 1943. ==Career==