About Edith Kellman
Lived 1911 – 2007 (aged 96). Edith Kellman was an American astronomer.
Edith Kellman (April 4, 1911 – May 11, 2007, Walworth, Wisconsin) was a noted American astronomer who is known for her work on the Yerkes system of stellar classification, also called the MKK system.
Early life Kellman was born in Walworth, Wisconsin, and attended Wheaton College in Wheaton, Illinois.
Career Kellman worked at the Yerkes Observatory as a photographic assistant, where she worked with William Morgan and Philip Keenan to develop the Yerkes system, an influential system of stellar classification. The MKK classification system was introduced in 1943 and was used by Morgan, Keenan, and Kellman to map the spiral structure of the Milky way using O and B stars. A variation on this system is still used today in stellar classification.
After leaving the observatory, she taught mathematics at Williams Bay High School until her retirement in the 1970s.
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Important facts
People in Edith Kellman's life
Named in this biography and alive at the same time
Contemporaries
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Frequently asked questions
Who was Edith Kellman?
American astronomer
When was Edith Kellman born?
Edith Kellman was born on 4 April 1911 in Walworth.
When did Edith Kellman die?
Edith Kellman died on 11 May 2007 in Walworth.
What was Edith Kellman's occupation?
Edith Kellman was an astronomer.
What nationality was Edith Kellman?
Edith Kellman was American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Edith Kellman. https://biography.guide/edith-kellman/
MLA: "Edith Kellman." Biography.guide, https://biography.guide/edith-kellman/.
Chicago: "Edith Kellman." Biography.guide. https://biography.guide/edith-kellman/.
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