1903 - 1971
Dame Kathleen Lonsdale (née Yardley; 28 January 1903 – 1 April 1971) was an Irish crystallographer, pacifist, and prison reform activist. She proved, in 1929, that the benzene ring is flat by using X-ray diffraction methods to elucidate the structure of hexamethylbenzene. She was the first to use Fourier spectral methods while solving the structure of hexachlorobenzene in 1931. Read more on Wikipedia
Since 2007, the English Wikipedia page of Kathleen Lonsdale has received more than 162,699 page views. Her biography is available in 29 different languages on Wikipedia (up from 26 in 2019). Kathleen Lonsdale is the 417th most popular chemist (up from 429th in 2019), the 144th most popular biography from Ireland (up from 170th in 2019) and the 4th most popular Irish Chemist.
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Among chemists, Kathleen Lonsdale ranks 417 out of 509. Before her are Morris Travers, Albert Niemann, Roderick MacKinnon, Joseph Bienaimé Caventou, Eugène-Anatole Demarçay, and Koichi Tanaka. After her are Eric Betzig, Agnes Pockels, Anders Jahan Retzius, Donella Meadows, Nils Gabriel Sefström, and Nikolay Zinin.
1872 - 1961
HPI: 50.42
Rank: 411
1834 - 1861
HPI: 50.38
Rank: 412
1956 - Present
HPI: 50.37
Rank: 413
1795 - 1877
HPI: 50.23
Rank: 414
1852 - 1903
HPI: 50.13
Rank: 415
1959 - Present
HPI: 50.09
Rank: 416
1903 - 1971
HPI: 49.97
Rank: 417
1960 - Present
HPI: 49.96
Rank: 418
1862 - 1935
HPI: 49.89
Rank: 419
1742 - 1821
HPI: 49.78
Rank: 420
1941 - 2001
HPI: 49.74
Rank: 421
1787 - 1845
HPI: 49.69
Rank: 422
1812 - 1880
HPI: 49.65
Rank: 423
Among people born in 1903, Kathleen Lonsdale ranks 178. Before her are Hans Hedtoft, Fernando Paternoster, John Williams, Misuzu Kaneko, Ary Barroso, and Nico Diederichs. After her are Leo Huberman, Charles Rigoulot, Georgy Beriev, Anne Revere, Big Bill Broonzy, and Gioacchino Colombo. Among people deceased in 1971, Kathleen Lonsdale ranks 117. Before her are William F. Albright, Hiratsuka Raichō, Wasfi Tal, Lester Germer, Bobby Jones, and Gladys Cooper. After her are Paruyr Sevak, Harald Öhquist, Richard Montague, Bengt Ekerot, Wynton Kelly, and Kanaiyalal Maneklal Munshi.
1903 - 1955
HPI: 50.33
Rank: 172
1903 - 1967
HPI: 50.33
Rank: 173
1903 - 1983
HPI: 50.29
Rank: 174
1903 - 1930
HPI: 50.09
Rank: 175
1903 - 1964
HPI: 50.08
Rank: 176
1903 - 1978
HPI: 50.04
Rank: 177
1903 - 1971
HPI: 49.97
Rank: 178
1903 - 1968
HPI: 49.93
Rank: 179
1903 - 1962
HPI: 49.83
Rank: 180
1903 - 1979
HPI: 49.81
Rank: 181
1903 - 1990
HPI: 49.78
Rank: 182
1903 - 1958
HPI: 49.63
Rank: 183
1903 - 1987
HPI: 49.60
Rank: 184
1891 - 1971
HPI: 50.50
Rank: 111
1886 - 1971
HPI: 50.42
Rank: 112
1919 - 1971
HPI: 50.14
Rank: 113
1896 - 1971
HPI: 50.06
Rank: 114
1902 - 1971
HPI: 50.02
Rank: 115
1888 - 1971
HPI: 50.00
Rank: 116
1903 - 1971
HPI: 49.97
Rank: 117
1924 - 1971
HPI: 49.90
Rank: 118
1891 - 1971
HPI: 49.87
Rank: 119
1930 - 1971
HPI: 49.87
Rank: 120
1920 - 1971
HPI: 49.65
Rank: 121
1931 - 1971
HPI: 49.41
Rank: 122
1887 - 1971
HPI: 49.14
Rank: 123
Among people born in Ireland, Kathleen Lonsdale ranks 144 out of 501. Before her are Conel Hugh O'Donel Alexander (1909), Colm Meaney (1953), Brendan Behan (1923), Pat Cox (1952), Ninette de Valois (1898), and William Howard Russell (1820). After her are John Sealy Townsend (1868), Edward Sabine (1788), George Browne (1698), George Allman (1812), George Abraham Grierson (1851), and Catald (700).
1909 - 1974
HPI: 50.35
Rank: 138
1953 - Present
HPI: 50.15
Rank: 139
1923 - 1964
HPI: 50.10
Rank: 140
1952 - Present
HPI: 50.06
Rank: 141
1898 - 2001
HPI: 50.04
Rank: 142
1820 - 1907
HPI: 50.01
Rank: 143
1903 - 1971
HPI: 49.97
Rank: 144
1868 - 1957
HPI: 49.93
Rank: 145
1788 - 1883
HPI: 49.77
Rank: 146
1698 - 1792
HPI: 49.75
Rank: 147
1812 - 1898
HPI: 49.64
Rank: 148
1851 - 1941
HPI: 49.54
Rank: 149
700 - 685
HPI: 49.37
Rank: 150
Among chemists born in Ireland, Kathleen Lonsdale ranks 4. Before her are Robert Boyle (1627), William C. Campbell (1930), and J. D. Bernal (1901). After her are Peter Woulfe (1727).
1627 - 1691
HPI: 78.11
Rank: 1
1930 - Present
HPI: 57.15
Rank: 2
1901 - 1971
HPI: 56.00
Rank: 3
1903 - 1971
HPI: 49.97
Rank: 4
1727 - 1803
HPI: 48.63
Rank: 5