1849 - 1900
Johan Gustav Christoffer Thorsager Kjeldahl (Danish pronunciation: [joˈhæn ˈkʰelˌtɛˀl] 16 August 1849 – 18 July 1900), was a Danish chemist who developed a method for determining the amount of nitrogen in certain organic compounds using a laboratory technique which was named the Kjeldahl method after him. Read more on Wikipedia
Since 2007, the English Wikipedia page of Johan Kjeldahl has received more than 55,933 page views. His biography is available in 15 different languages on Wikipedia. Johan Kjeldahl is the 443rd most popular chemist (down from 397th in 2019), the 394th most popular biography from Denmark (down from 328th in 2019) and the 6th most popular Danish Chemist.
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Among chemists, Johan Kjeldahl ranks 443 out of 509. Before him are Jacques-Louis Soret, Michael Grätzel, Ferdinand Reich, Anna Sundström, Peter Woulfe, and Alfred Stock. After him are Pierre Adet, Hans Tropsch, Frederick Abel, Hugo Schiff, Hermann Wilhelm Vogel, and Per Teodor Cleve.
1827 - 1890
HPI: 48.84
Rank: 437
1944 - Present
HPI: 48.75
Rank: 438
1799 - 1882
HPI: 48.67
Rank: 439
1785 - 1871
HPI: 48.65
Rank: 440
1727 - 1803
HPI: 48.63
Rank: 441
1876 - 1946
HPI: 48.63
Rank: 442
1849 - 1900
HPI: 48.43
Rank: 443
1763 - 1834
HPI: 48.38
Rank: 444
1889 - 1935
HPI: 48.36
Rank: 445
1827 - 1902
HPI: 48.34
Rank: 446
1834 - 1915
HPI: 48.27
Rank: 447
1834 - 1898
HPI: 48.14
Rank: 448
1840 - 1905
HPI: 48.11
Rank: 449
Among people born in 1849, Johan Kjeldahl ranks 81. Before him are Edmund Barton, William Merritt Chase, William Knox D'Arcy, Christian Rohlfs, Alexander Duff, 1st Duke of Fife, and Alexander von Krobatin. After him are John Hartley, Princess Marie of Hanover, Pedro Montt, Emil Zuckerkandl, Ivan Evstratiev Geshov, and Rafael Reyes. Among people deceased in 1900, Johan Kjeldahl ranks 62. Before him are Prince Christian Victor of Schleswig-Holstein, Dankmar Adler, Jean Frédéric Frenet, Dmitry Grigorovich, Alexandre de Serpa Pinto, and John Anderson. After him are Edmond de Sélys Longchamps, Sigbjørn Obstfelder, Catherine Wolfe Bruce, Gustaf Åkerhielm, Alphonse Milne-Edwards, and Wilhelm Kühne.
1849 - 1920
HPI: 49.04
Rank: 75
1849 - 1916
HPI: 49.01
Rank: 76
1849 - 1917
HPI: 48.93
Rank: 77
1849 - 1938
HPI: 48.76
Rank: 78
1849 - 1912
HPI: 48.71
Rank: 79
1849 - 1933
HPI: 48.51
Rank: 80
1849 - 1900
HPI: 48.43
Rank: 81
1849 - 1935
HPI: 48.08
Rank: 82
1849 - 1904
HPI: 48.08
Rank: 83
1849 - 1910
HPI: 47.97
Rank: 84
1849 - 1910
HPI: 47.61
Rank: 85
1849 - 1924
HPI: 47.09
Rank: 86
1849 - 1921
HPI: 47.03
Rank: 87
1867 - 1900
HPI: 50.21
Rank: 56
1844 - 1900
HPI: 49.83
Rank: 57
1816 - 1900
HPI: 49.48
Rank: 58
1822 - 1900
HPI: 49.21
Rank: 59
1846 - 1900
HPI: 48.96
Rank: 60
1833 - 1900
HPI: 48.87
Rank: 61
1849 - 1900
HPI: 48.43
Rank: 62
1813 - 1900
HPI: 48.29
Rank: 63
1866 - 1900
HPI: 48.26
Rank: 64
1816 - 1900
HPI: 47.96
Rank: 65
1833 - 1900
HPI: 47.67
Rank: 66
1835 - 1900
HPI: 47.64
Rank: 67
1837 - 1900
HPI: 47.56
Rank: 68
Among people born in Denmark, Johan Kjeldahl ranks 394 out of 893. Before him are Lorenz Frølich (1820), Kurt Nielsen (1930), Johnny Hansen (1943), William Wain Prior (1876), Ari Behn (1972), and Trine Dyrholm (1972). After him are Charles Winckler (1867), Hilmar Baunsgaard (1920), Albert Küchler (1803), Carl Christian Hall (1812), Christian August Lorentzen (1749), and Harald Høffding (1843).
1820 - 1908
HPI: 48.59
Rank: 388
1930 - 2011
HPI: 48.57
Rank: 389
1943 - Present
HPI: 48.52
Rank: 390
1876 - 1946
HPI: 48.48
Rank: 391
1972 - 2019
HPI: 48.47
Rank: 392
1972 - Present
HPI: 48.47
Rank: 393
1849 - 1900
HPI: 48.43
Rank: 394
1867 - 1932
HPI: 48.42
Rank: 395
1920 - 1989
HPI: 48.37
Rank: 396
1803 - 1886
HPI: 48.24
Rank: 397
1812 - 1888
HPI: 48.24
Rank: 398
1749 - 1828
HPI: 48.22
Rank: 399
1843 - 1931
HPI: 48.17
Rank: 400
Among chemists born in Denmark, Johan Kjeldahl ranks 6. Before him are Henrik Dam (1895), Johannes Nicolaus Brønsted (1879), Sophia Brahe (1556), S. P. L. Sørensen (1868), and Rasmus Bartholin (1625). After him are Hans Peter Jørgen Julius Thomsen (1826).
1895 - 1976
HPI: 68.09
Rank: 1
1879 - 1947
HPI: 64.11
Rank: 2
1556 - 1643
HPI: 61.00
Rank: 3
1868 - 1939
HPI: 57.35
Rank: 4
1625 - 1698
HPI: 57.10
Rank: 5
1849 - 1900
HPI: 48.43
Rank: 6
1826 - 1909
HPI: 47.80
Rank: 7