Women Hat

Peseshet, c. 2600 BCE, was a physician in ancient Egypt.
Merit-Ptah, c. 2700 BCE, also lived in Egypt and is the earliest known female physician and scientist.
Merneith, c. 3000 BCE was a consort and a regent of ancient Egypt during the first dynasty. She may have been ruler of Egypt in her own right.
Neithhotep, c. 3200 BCE, was the wife of Narmer and the first queen of ancient Egypt.