Milton Humason

Milton Humason was a renowned American astronomer who made significant contributions to our understanding of the universe, particularly in the fields of cosmology and galactic astronomy. His work at the Mount Wilson Observatory and collaboration with Edwin Hubble led to groundbreaking discoveries that changed our perception of the cosmos. Humason's research was heavily influenced by the work of Henrietta Leavitt, Harlow Shapley, and Vesto Slipher, and he was a key figure in the development of modern astronomy. His findings were often published in prestigious journals, including the Astrophysical Journal and Publications of the Astronomical Society of the Pacific.

● Early Life and Education

Milton Humason was born in Winlock, Washington, to Luther Humason and Laura Humason. He grew up in Los Angeles, California, and developed an interest in astronomy at a young age, inspired by the work of Percival Lowell and Asaph Hall. Humason attended Wesleyan University but did not graduate, instead choosing to pursue a career in astronomy. He was heavily influenced by the work of George Ellery Hale, who founded the Yerkes Observatory and Mount Wilson Observatory, and William Pickering, a prominent astronomer at the Harvard College Observatory.

● Career

Humason began his career in astronomy as a janitor at the Mount Wilson Observatory, where he eventually became a night assistant and later a research astronomer. He worked closely with Edwin Hubble, Walter Baade, and Fritz Zwicky, making significant contributions to our understanding of galactic rotation and cosmic expansion. Humason's research was supported by the Carnegie Institution for Science and the National Science Foundation, and he was a member of the American Astronomical Society and the International Astronomical Union. He also collaborated with Subrahmanyan Chandrasekhar and Arthur Eddington on various projects, including the study of white dwarfs and black holes.

● Research and Discoveries

Humason's most notable contributions were in the field of cosmology, where he worked with Edwin Hubble to measure the redshift of galaxies and determine the expansion of the universe. Their findings, published in the Astrophysical Journal, provided strong evidence for the Big Bang theory and revolutionized our understanding of the cosmos. Humason also made significant contributions to the study of galactic rotation and stellar evolution, working with Bart Bok and Jan Oort to understand the structure and dynamics of the Milky Way. His research was influenced by the work of Albert Einstein, Willem de Sitter, and Georges Lemaitre, and he was a key figure in the development of modern cosmology.

● Personal Life

Humason was married to Helen Dowd, and they had one son, Don Humason. He was known for his humor and kindness, and was a beloved figure in the astronomical community. Humason was a close friend of Cecilia Payne-Gaposchkin and Harlow Shapley, and he often visited the Harvard College Observatory to discuss the latest developments in astronomy. He was also an avid hiker and outdoorsman, and enjoyed spending time in the Sierra Nevada mountains.

● Legacy

Milton Humason's legacy is profound, with his contributions to cosmology and galactic astronomy continuing to shape our understanding of the universe. He was awarded the Bruce Medal in 1950 for his outstanding contributions to astronomy, and was elected a member of the National Academy of Sciences in 1951. Humason's work has inspired generations of astronomers, including Allan Sandage, Gerald Burbidge, and Vera Rubin, and his discoveries remain a cornerstone of modern astronomy. His name is commemorated in the Humason-Zwicky stars, a group of high-velocity stars discovered by Humason and Fritz Zwicky. Category:Astronomers