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INVENTOR

Ralph Hartley

1888 - 1970

Photo of Ralph Hartley

Icon of person Ralph Hartley

Ralph Vinton Lyon Hartley (November 30, 1888 – May 1, 1970) was an American electronics researcher. Read more on Wikipedia

Since 2007, the English Wikipedia page of Ralph Hartley has received more than 115,550 page views. His biography is available in 18 different languages on Wikipedia. Ralph Hartley is the 288th most popular inventor (down from 262nd in 2019), the 5,459th most popular biography from United States (down from 4,428th in 2019) and the 71st most popular American Inventor.

Memorability Metrics

  • 120k

    Page Views (PV)

  • 48.53

    Historical Popularity Index (HPI)

  • 18

    Languages Editions (L)

  • 4.44

    Effective Languages (L*)

  • 2.27

    Coefficient of Variation (CV)

Page views of Ralph Hartleys by language


Among INVENTORS

Among inventors, Ralph Hartley ranks 288 out of 354. Before him are André Blondel, Jack Northrop, Rostislav Alexeyev, Wilson Greatbatch, Rowland Hill, and Peter Carl Goldmark. After him are Tabitha Babbitt, John Barnard, Walter Bruch, Bernard Lown, Almon Brown Strowger, and Kálmán Kandó.

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Contemporaries

Among people born in 1888, Ralph Hartley ranks 157. Before him are Osip Brik, Manuel Gonçalves Cerejeira, Tirumalai Krishnamacharya, Louis J. Mordell, Dan Andersson, and Edward Cook. After him are Ronald Knox, Tom Phillips, Alfred Asikainen, Jean Bouin, Marie Rambert, and Kārlis Zāle. Among people deceased in 1970, Ralph Hartley ranks 165. Before him are Billie Burke, Eva Hesse, Orhan Kemal, Johnny Hodges, Alfred Sturtevant, and Pierre Mac Orlan. After him are Inger Stevens, Alfréd Rényi, Alla Horska, Peter Doi, Marcel Minnaert, and Anna Louise Strong.

Others Born in 1888

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Others Deceased in 1970

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In United States

Among people born in United States, Ralph Hartley ranks 5,459 out of 18,182. Before him are Hill Harper (1966), Roger Sherman (1721), Robert R. Livingston (1746), Kate Pierson (1948), Jeffrey Ullman (1942), and Martha Jefferson Randolph (1772). After him are Karl Lashley (1890), Leif Erickson (1911), Lane Smith (1936), Jack Conway (1887), Chloë Sevigny (1974), and Jack Oakie (1903).

Others born in United States

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Among INVENTORS In United States

Among inventors born in United States, Ralph Hartley ranks 71. Before him are David Bushnell (1742), Lester Allan Pelton (1829), L. L. Langstroth (1810), Edward Lawry Norton (1898), Jack Northrop (1895), and Wilson Greatbatch (1919). After him are Tabitha Babbitt (1779), Almon Brown Strowger (1839), Henry M. Leland (1843), Henry J. Kaiser (1882), Whitcomb L. Judson (1846), and Lynn Conway (1938).

American born Inventors

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