1921 - 2021
Cornelis "Kees" de Jager (pronounced [ˈkeːz də ˈjaːɣər]; 29 April 1921 – 27 May 2021) was a Dutch astronomer who specialized in predicting solar variation to assess the Sun's impact on future climate. He was the General Secretary of the IAU from 1967 to 1973 and former director of the observatory at Utrecht. Read more on Wikipedia
Since 2007, the English Wikipedia page of Kees de Jager has received more than 29,806 page views. His biography is available in 16 different languages on Wikipedia. Kees de Jager is the 355th most popular astronomer, the 593rd most popular biography from Netherlands and the 15th most popular Dutch Astronomer.
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Historical Popularity Index (HPI)
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Among astronomers, Kees de Jager ranks 355 out of 531. Before him are Hugo Gyldén, David Rittenhouse, Sandra Faber, Brian G. Marsden, George Van Biesbroeck, and Johann Friedrich Julius Schmidt. After him are Warren De la Rue, Milorad B. Protić, Philibert Jacques Melotte, Sherburne Wesley Burnham, Hervé Faye, and Paul Götz.
1841 - 1896
HPI: 48.80
Rank: 349
1732 - 1796
HPI: 48.74
Rank: 350
1944 - Present
HPI: 48.60
Rank: 351
1937 - 2010
HPI: 48.53
Rank: 352
1880 - 1974
HPI: 48.52
Rank: 353
1825 - 1884
HPI: 48.49
Rank: 354
1921 - 2021
HPI: 48.42
Rank: 355
1815 - 1889
HPI: 48.38
Rank: 356
1911 - 2001
HPI: 48.33
Rank: 357
1880 - 1961
HPI: 48.28
Rank: 358
1838 - 1921
HPI: 48.25
Rank: 359
1814 - 1902
HPI: 48.24
Rank: 360
1883 - 1962
HPI: 48.22
Rank: 361
Among people born in 1921, Kees de Jager ranks 256. Before him are Inge Borkh, Maria Gorokhovskaya, Verghese Kurien, Bernard Lown, Mikayil Abdullayev, and Gunnar Eriksson. After him are Jacques Martin, Juan José Arreola, Alfréd Rényi, Carol Channing, Sotiria Bellou, and Francis Blanche. Among people deceased in 2021, Kees de Jager ranks 401. Before him are Jonathan Penrose, Jan Sokol, Fofi Gennimata, Wayne Thiebaud, Bernard Lown, and Catherine Tizard. After him are Martín Pando, Marvelous Marvin Hagler, Mansour Ojjeh, Alber Elbaz, Ursula Happe, and Abdelhamid Brahimi.
1921 - 2018
HPI: 48.66
Rank: 250
1921 - 2001
HPI: 48.66
Rank: 251
1921 - 2012
HPI: 48.50
Rank: 252
1921 - 2021
HPI: 48.45
Rank: 253
1921 - 2002
HPI: 48.43
Rank: 254
1921 - 1982
HPI: 48.42
Rank: 255
1921 - 2021
HPI: 48.42
Rank: 256
1921 - 2010
HPI: 48.38
Rank: 257
1921 - 2001
HPI: 48.29
Rank: 258
1921 - 1970
HPI: 48.26
Rank: 259
1921 - 2019
HPI: 47.94
Rank: 260
1921 - 1997
HPI: 47.86
Rank: 261
1921 - 1974
HPI: 47.84
Rank: 262
1933 - 2021
HPI: 48.57
Rank: 395
1936 - 2021
HPI: 48.57
Rank: 396
1964 - 2021
HPI: 48.53
Rank: 397
1920 - 2021
HPI: 48.47
Rank: 398
1921 - 2021
HPI: 48.45
Rank: 399
1931 - 2021
HPI: 48.44
Rank: 400
1921 - 2021
HPI: 48.42
Rank: 401
1934 - 2021
HPI: 48.39
Rank: 402
1954 - 2021
HPI: 48.36
Rank: 403
1952 - 2021
HPI: 48.35
Rank: 404
1961 - 2021
HPI: 48.33
Rank: 405
1926 - 2021
HPI: 48.29
Rank: 406
1936 - 2021
HPI: 48.23
Rank: 407
Among people born in Netherlands, Kees de Jager ranks 593 out of 1,427. Before him are Heintje Simons (1955), Maruschka Detmers (1962), Willeke Alberti (1945), Constant Nieuwenhuys (1920), Adri van der Poel (1959), and Leonardus Nardus (1868). After him are Johannes Burman (1707), Mark Blaug (1927), Jan de Vries (1890), Gysbert Japiks (1603), Yolanda Hadid (1964), and Nigel de Jong (1984).
1955 - Present
HPI: 48.60
Rank: 587
1962 - Present
HPI: 48.52
Rank: 588
1945 - Present
HPI: 48.51
Rank: 589
1920 - 2005
HPI: 48.47
Rank: 590
1959 - Present
HPI: 48.47
Rank: 591
1868 - 1955
HPI: 48.46
Rank: 592
1921 - 2021
HPI: 48.42
Rank: 593
1707 - 1779
HPI: 48.36
Rank: 594
1927 - 2011
HPI: 48.33
Rank: 595
1890 - 1964
HPI: 48.33
Rank: 596
1603 - 1666
HPI: 48.31
Rank: 597
1964 - Present
HPI: 48.31
Rank: 598
1984 - Present
HPI: 48.24
Rank: 599
Among astronomers born in Netherlands, Kees de Jager ranks 15. Before him are Walter Lewin (1936), Adriaan Blaauw (1914), Henri Joseph Anastase Perrotin (1845), Michael van Langren (1598), Maarten Schmidt (1929), and Dirk Brouwer (1902). After him are Hendrik van Gent (1900), Peter van de Kamp (1901), Bart Bok (1906), Adriaan van Maanen (1884), and Ewine van Dishoeck (1955).
1936 - Present
HPI: 53.09
Rank: 9
1914 - 2010
HPI: 52.52
Rank: 10
1845 - 1904
HPI: 51.75
Rank: 11
1598 - 1675
HPI: 49.60
Rank: 12
1929 - 2022
HPI: 49.17
Rank: 13
1902 - 1966
HPI: 48.99
Rank: 14
1921 - 2021
HPI: 48.42
Rank: 15
1900 - 1947
HPI: 48.17
Rank: 16
1901 - 1995
HPI: 47.93
Rank: 17
1906 - 1983
HPI: 47.14
Rank: 18
1884 - 1946
HPI: 42.10
Rank: 19
1955 - Present
HPI: 40.47
Rank: 20