Joan Croll

Joan Croll
Born
Una Joan Holliday

(1928-06-15)15 June 1928
Sydney, New South Wales, Australia
Died14 February 2022(2022-02-14) (aged 93)
Sydney, New South Wales, Australia
Alma materUniversity of Sydney

Una Joan Croll AO (née Holliday; 15 June 1928 – 14 February 2022) was an Australian physician and radiologist who specialised in ultrasound and mammography. Outside medicine, she was an environmental activist, one of the 13 women who saved Kelly's Bush in Sydney.