Ralph Asher Alpher

1921 - 2007

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Ralph Asher Alpher (February 3, 1921 – August 12, 2007) was an American cosmologist, who carried out pioneering work in the early 1950s on the Big Bang model, including Big Bang nucleosynthesis and predictions of the cosmic microwave background radiation. Read more on Wikipedia

Since 2007, the English Wikipedia page of Ralph Asher Alpher has received more than 149,269 page views. His biography is available in 30 different languages on Wikipedia. Ralph Asher Alpher is the 379th most popular physicist (down from 368th in 2019), the 2,310th most popular biography from United States (up from 2,422nd in 2019) and the 76th most popular American Physicist.

Memorability Metrics

  • 150k

    Page Views (PV)

  • 56.82

    Historical Popularity Index (HPI)

  • 30

    Languages Editions (L)

  • 10.51

    Effective Languages (L*)

  • 2.23

    Coefficient of Variation (CV)


Among physicists, Ralph Asher Alpher ranks 379 out of 851Before him are Yoshio Nishina, Jurij Vega, Homi J. Bhabha, Peter Mansfield, John Mauchly, and Nathan Rosen. After him are Georgy Flyorov, Duncan Haldane, Hiroshi Amano, Oskar Klein, Christopher Polhem, and Sameera Moussa.

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Among people born in 1921, Ralph Asher Alpher ranks 117Before him are Meir Amit, Maurice Richard, Eunice Kennedy Shriver, Betty Friedan, Arno Babajanian, and Gavriil Ilizarov. After him are Stein Rokkan, Manitas de Plata, Deanna Durbin, Philippe de Gaulle, Branko Stanković, and Gitta Sereny. Among people deceased in 2007, Ralph Asher Alpher ranks 92Before him are Paul Cohen, Teddy Kollek, Arawa Kimura, Karel Svoboda, Hrant Dink, and Princess Katherine of Greece and Denmark. After him are Viliam Schrojf, Dashrath Manjhi, Gordon Scott, Ulrich Mühe, Pierre Messmer, and Raymond Barre.

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In United States

Among people born in United States, Ralph Asher Alpher ranks 2,310 out of 20,380Before him are Lionel Barrymore (1878), David Strathairn (1949), Lionel Hampton (1908), Nathan Rosen (1909), George Gallup (1901), and Steve McCurry (1950). After him are Henry Silva (1928), Robert Plutchik (1927), Tonya Harding (1970), Garrett Morgan (1877), Peter Graves (1926), and Shannen Doherty (1971).

Among PHYSICISTS In United States

Among physicists born in United States, Ralph Asher Alpher ranks 76Before him are Frank Oppenheimer (1912), Philip Abelson (1913), Walter A. Shewhart (1891), Carl Wieman (1951), John Mauchly (1907), and Nathan Rosen (1909). After him are Robert Brout (1928), Edward Witten (1951), Chester Carlson (1906), Nick Holonyak (1928), Edwin Hall (1855), and Robert Serber (1909).