ASTRONOMER

Carl Keenan Seyfert

1911 - 1960

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Carl Keenan Seyfert (February 11, 1911 – June 13, 1960) was an American astronomer. He is best known for his 1943 research paper on high-excitation line emission from the centers of some spiral galaxies, which are named Seyfert galaxies after him. Read more on Wikipedia

Since 2007, the English Wikipedia page of Carl Keenan Seyfert has received more than 31,268 page views. His biography is available in 27 different languages on Wikipedia (up from 25 in 2019). Carl Keenan Seyfert is the 364th most popular astronomer (down from 302nd in 2019), the 5,387th most popular biography from United States (down from 4,566th in 2019) and the 67th most popular American Astronomer.

Memorability Metrics

  • 31k

    Page Views (PV)

  • 50.01

    Historical Popularity Index (HPI)

  • 27

    Languages Editions (L)

  • 7.44

    Effective Languages (L*)

  • 2.54

    Coefficient of Variation (CV)

Among ASTRONOMERS

Among astronomers, Carl Keenan Seyfert ranks 364 out of 644. Before him are Beatrice Tinsley, Nikolai Aleksandrovich Kozyrev, Kiyotsugu Hirayama, Giorgio Abetti, Heber Doust Curtis, and Jean Richer. After him are Richard Martin West, Dirk Brouwer, Alvan Graham Clark, Paul Götz, Ralph Copeland, and James Edward Keeler.

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Contemporaries

Among people born in 1911, Carl Keenan Seyfert ranks 201. Before him are Amir Hamzah, Sándor Bíró, Bob Kiesel, Saalumarada Thimmakka, Antonio Guzmán Fernández, and Ronald Neame. After him are Gustav Wetterström, Kick Smit, Lee Falk, Maclyn McCarty, Antonio Sastre, and Mary Blair. Among people deceased in 1960, Carl Keenan Seyfert ranks 135. Before him are Oliver Kirk, Hersch Lauterpacht, Paul Fort, Nevil Shute, Eduard Pütsep, and Edwina Mountbatten, Countess Mountbatten of Burma. After him are Noël Bas, Teodoro Picado Michalski, Oswald Veblen, Arthur Legat, Jamil Mardam Bey, and André Patry.

Others Born in 1911

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Others Deceased in 1960

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In United States

Among people born in United States, Carl Keenan Seyfert ranks 5,387 out of 20,380. Before him are Neil Flynn (1960), Embeth Davidtz (1965), Lainie Kazan (1940), Conan O'Brien (1963), Tom Hamilton (1951), and John Warner (1927). After him are Charlotte Stewart (1941), Ad Reinhardt (1913), Brad Harris (1933), Mona Simpson (1957), Frank James (1843), and Henry Cowell (1897).

Others born in United States

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Among ASTRONOMERS In United States

Among astronomers born in United States, Carl Keenan Seyfert ranks 67. Before him are Charles Dillon Perrine (1867), James W. Christy (1938), Frank Muller (1862), Eugene Parker (1927), Herbert Friedman (1916), and Heber Doust Curtis (1872). After him are Alvan Graham Clark (1832), James Edward Keeler (1857), Margaret Geller (1947), Henry E. Holt (1929), James L. Elliot (1943), and George O. Abell (1927).

American born Astronomers

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