Hypatia is believed to have invented or significantly improved the astrolabe, a tool used for astronomical calculations and navigation. elaborate
Desmond Tutu was a qualified teacher before becoming a priest. elaborate
Wangari Maathai was the first African woman to win a Nobel Peace Prize. elaborate
Rigoberta Menchú Tum is the first Indigenous woman to win the Nobel Peace Prize. elaborate
Crazy Horse never signed a treaty with the U.S. government. elaborate
Nelson Mandela was a qualified lawyer. elaborate