The cervical screening test, or 'pap smear' was developed thanks to a lab technician called Mary Papanicolaou, who had a vaginal swab taken every day for 20 years to advance research in this area.

Mary worked as a lab technician at Cornell University for many years but was never paid because she was a woman
#HistoryOfScience #WomensHistory

https://www.abc.net.au/news/health/2023-07-08/andromache-mary-papanicolaou-pap-smear-test-cervical-cancer/102484690