52.1 MB (4.2 MB compressed)
4016 x 4536 pixels
34.0 x 38.4 cm ⏐ 13.4 x 15.1 in (300dpi)
SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Milton Humason. Portrait of the American astronomer Milton L. Humason (1891-1972). He was employed as a mule transport driver during the construction of Mount Wilson Observatory in California, USA. Humason became the observatory's janitor in 1917 and worked his way up to become a staff astronomer. His work with Hubble led to the acceptance of the theory of the expanding universe by the 1930s.
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