Inventor

Ralph Hartley

1888 - 1970

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Ralph Hartley

Ralph Vinton Lyon Hartley (30 de noviembre de 1888 - 1 de mayo de 1970) fue un ingeniero estadounidense, investigador pionero en el campo de la electrónica. Inventó el oscilador Hartley, ideó la transformada de Hartley, y contribuyó a desarrollar los fundamentos de la teoría de la información. Leer más en Wikipedia

Su biografía está disponible en 21 idiomas en Wikipedia (aumentó de 19 en 2024). Ralph Hartley ocupa el puesto 290 entre los inventor más populares (bajó del puesto 281 en 2024), el puesto 5867 entre las biografías más populares de Estados Unidos (bajó del puesto 5041 en 2019) y el puesto 75 entre los inventor de los estados unidos más populares.

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Among Inventors

Among inventors, Ralph Hartley ranks 290 out of 426. Before him are Joseph Whitworth, Beulah Louise Henry, Genrich Altshuller, Ottomar Anschütz, Cyrus McCormick, and Mark Rober. After him are Petrache Poenaru, Frank Zamboni, Yoshiro Nakamatsu, Max Valier, Samuel Morland, and Jacob Perkins.

Most Popular Inventors in Wikipedia

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Joseph Whitworth
1803 - 1887
HPI: 58.31
Rank: 284
Beulah Louise Henry
1888 - 1973
HPI: 58.20
Rank: 285
Genrich Altshuller
1926 - 1998
HPI: 58.20
Rank: 286
Ottomar Anschütz
1846 - 1907
HPI: 58.04
Rank: 287
Cyrus McCormick
1809 - 1884
HPI: 58.04
Rank: 288
Mark Rober
1980 - Present
HPI: 58.03
Rank: 289
Ralph Hartley
1888 - 1970
HPI: 58.00
Rank: 290
Petrache Poenaru
1799 - 1875
HPI: 57.96
Rank: 291
Frank Zamboni
1901 - 1988
HPI: 57.87
Rank: 292
Yoshiro Nakamatsu
1928 - Present
HPI: 57.86
Rank: 293
Max Valier
1895 - 1930
HPI: 57.85
Rank: 294
Samuel Morland
1625 - 1695
HPI: 57.69
Rank: 295
Jacob Perkins
1766 - 1849
HPI: 57.61
Rank: 296

Contemporaries

Among people born in 1888, Ralph Hartley ranks 153. Before him are Milán Füst, Konstantinos Tsiklitiras, Tirumalai Krishnamacharya, Beulah Louise Henry, Barry Fitzgerald, and Frances Marion. After him are Jinichi Kusaka, Mohammed Hussein Heikal, Marcel Jouhandeau, Mary Eristavi, Vladimir Baranov-Rossine, and Elsa Brändström. Among people deceased in 1970, Ralph Hartley ranks 166. Before him are Soledad Miranda, Marietta Blau, Max Abegglen, Fritz Kortner, William Daniels, and Tammi Terrell. After him are Adolf Wiklund, Alfred Sturtevant, Jérôme Carcopino, Alfréd Rényi, Parashqevi Qiriazi, and William Slim, 1st Viscount Slim.

Others Born in 1888

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Milán Füst
WRITER
1888 - 1967
HPI: 58.43
Rank: 147
Konstantinos Tsiklitiras
ATHLETE
1888 - 1913
HPI: 58.37
Rank: 148
Tirumalai Krishnamacharya
PHILOSOPHER
1888 - 1989
HPI: 58.27
Rank: 149
Beulah Louise Henry
INVENTOR
1888 - 1973
HPI: 58.20
Rank: 150
Barry Fitzgerald
ACTOR
1888 - 1961
HPI: 58.11
Rank: 151
Frances Marion
FILM DIRECTOR
1888 - 1973
HPI: 58.10
Rank: 152
Ralph Hartley
INVENTOR
1888 - 1970
HPI: 58.00
Rank: 153
Jinichi Kusaka
MILITARY PERSONNEL
1888 - 1972
HPI: 57.97
Rank: 154
Mohammed Hussein Heikal
WRITER
1888 - 1956
HPI: 57.88
Rank: 155
Marcel Jouhandeau
WRITER
1888 - 1979
HPI: 57.85
Rank: 156
Mary Eristavi
NOBLEMAN
1888 - 1986
HPI: 57.83
Rank: 157
Vladimir Baranov-Rossine
PAINTER
1888 - 1944
HPI: 57.81
Rank: 158
Elsa Brändström
RELIGIOUS FIGURE
1888 - 1948
HPI: 57.72
Rank: 159

Others Deceased in 1970

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Soledad Miranda
ACTOR
1943 - 1970
HPI: 58.49
Rank: 160
Marietta Blau
PHYSICIST
1894 - 1970
HPI: 58.17
Rank: 161
Max Abegglen
SOCCER PLAYER
1902 - 1970
HPI: 58.17
Rank: 162
Fritz Kortner
ACTOR
1892 - 1970
HPI: 58.15
Rank: 163
William Daniels
FILM DIRECTOR
1901 - 1970
HPI: 58.09
Rank: 164
Tammi Terrell
SINGER
1945 - 1970
HPI: 58.07
Rank: 165
Ralph Hartley
INVENTOR
1888 - 1970
HPI: 58.00
Rank: 166
Adolf Wiklund
ATHLETE
1921 - 1970
HPI: 57.95
Rank: 167
Alfred Sturtevant
BIOLOGIST
1891 - 1970
HPI: 57.90
Rank: 168
Jérôme Carcopino
HISTORIAN
1881 - 1970
HPI: 57.87
Rank: 169
Alfréd Rényi
MATHEMATICIAN
1921 - 1970
HPI: 57.87
Rank: 170
Parashqevi Qiriazi
SOCIAL ACTIVIST
1880 - 1970
HPI: 57.83
Rank: 171
William Slim, 1st Viscount Slim
MILITARY PERSONNEL
1891 - 1970
HPI: 57.64
Rank: 172