Philip Childs Keenan

Philip Childs Keenan's Academic­Influence.com Rankings

Philip Childs Keenan

Physics

#1386

World Rank

#2145

Historical Rank

#605

USA Rank

Astronomy

#154

World Rank

#370

Historical Rank

#88

USA Rank

physics Degrees

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• Physics

Philip Childs Keenan's Degrees

• PhD Astronomy University of Chicago

Why Is Philip Childs Keenan Influential?

According to Wikipedia, Philip Childs Keenan was an American astronomer. Keenan was an American spectroscopist who collaborated with William Wilson Morgan and Edith Kellman to develop the MKK stellar spectral classification system between 1939 and 1943. This two-dimensional classification system was further revised by Morgan and Keenan in 1973. The MK system remains the standard stellar spectral classification system used by astronomers today.

Other Resources About Philip Childs Keenan

• en.wikipedia.org

What Schools Are Affiliated With Philip Childs Keenan?

Philip Childs Keenan is affiliated with the following schools:

• University of Chicago