Cecilia Payne-Gaposchkin, who discovered that hydrogen dominates our universe, finally gets the recognition she deserves in a rich biography, What Stars Are Made Of
Source:
https://www.newscientist.com/article/mg24532760-500-cecilia-payne-gaposchkin-the-unsung-discoverer-of-star-chemistry/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home