If you meant Denton Cooley, he was the first person to implant an artificial heart in 1969.
Valentina Vladimirovna Tereshkova is a member of the Russian State Duma, engineer, and former cosmonaut. She is the first and youngest woman to have flown in space with a solo mission on the Vostok 6 on 16 June 1963
The 15 amendment granted all men regardless of race the right to vote
