Marian Croak, Ph.D. developed inventions that made phone calls more reliably and securely transmittable over the internet.
Cecilia Helena Payne-Gaposchkin (née Payne; May 10, 1900 – December 7, 1979) was a British-born American astronomer and astrophysicist who proposed in her 1925 doctoral thesis that stars were composed primarily of hydrogen and helium.
A leading figure in the history of sciences, Marie Curie was prohibited from higher education in her native Poland. Many years later, she became the first woman Nobel laureate. She remains the only person to win the most coveted prize in two different...
What are the stars made of? The answer to this fundamental question of astrophysics was discovered in 1925 by Cecilia Payne and explained in her Ph.D. thesis. Payne showed how to decode the complicated spectra of starlight in order to learn the...