Ira Sprague Bowen
Videos
Ira Sprague Bowen was an American physicist and astronomer. In 1927 he discovered that nebulium was not really a chemical element but instead doubly ionized oxygen.
Bowen in 1956
George Ellery Hale
Videos
George Ellery Hale was an American astrophysicist best known for his discovery of magnetic fields in sunspots. He was also a key figure in the planning and construction of several world-leading telesc
George Ellery Hale, c. 1913
Hale at the Fourth Conference International Union for Cooperation in Solar Research at Mount Wilson Observatory, 1910
A bust of George Ellery Hale at Palomar Observatory