Hale, George Ellery, 1868-1938
George E. Hale letter to Edwin Brant Frost, 1896.
Letter from George E. Hale to Edwin Brant Frost regarding his research on sun spots in the photosphere.
Astronomer (spectroscopy, solar and stellar physics). On the astrophysics faculty at the University of Chicago, 1892-1905; director Yerkes Observatory, 1895-1905; and director, Mount Wilson Observatory, Carnegie Institution, 1904-1923.
Sunspots.
Astronomers lcsh
Frost, Edwin Brant.
AIP-ICOS
American Institute of Physics. Niels Bohr Library & Archives. One Physics Ellipse, College Park, MD 20740, USA