Cecilia Helena Payne-Gaposchkin

Cecilia studied to be an astronomer, but her college did not give science degrees to women. She had to move to the United States to be a researcher. Cecilia joined the graduate program a the Harvard Observatory Lab in Massachusetts. 

She became the first person to receive a PhD in Astronomy at Radcliffe College at Harvard University. A fellow astronomer called her work “the most brilliant PhD thesis ever written in astronomy.”