BIOLOGIST
Katsuko Saruhashi
1920 - 2007
Katsuko Saruhashi
Katsuko Saruhashi (猿橋 勝子, Saruhashi Katsuko, March 22, 1920 – September 29, 2007) was a Japanese geochemist who created tools that let her take some of the first measurements of carbon dioxide (CO2) levels in seawater. She later showed evidence of the dangers of radioactive fallout and how far it can travel. Read more on Wikipedia
Since 2007, the English Wikipedia page of Katsuko Saruhashi has received more than 1,076,429 page views. Her biography is available in 26 different languages on Wikipedia (up from 20 in 2019). Katsuko Saruhashi is the 354th most popular biologist (up from 722nd in 2019), the 757th most popular biography from Japan (up from 1,187th in 2019) and the 6th most popular Japanese Biologist.
Memorability Metrics
1.1M
Page Views (PV)
54.31
Historical Popularity Index (HPI)
26
Languages Editions (L)
7.52
Effective Languages (L*)
2.07
Coefficient of Variation (CV)
Among BIOLOGISTS
Among biologists, Katsuko Saruhashi ranks 354 out of 1,097. Before her are Ivan Regen, Anders Sparrman, Carlo Allioni, Heinrich Johann Nepomuk von Crantz, Fritz Müller, and Christian Ludwig Brehm. After her are Louis Claude Richard, Joel Asaph Allen, Pierre Magnol, Antoine de Jussieu, Achille Richard, and William Jackson Hooker.
Most Popular Biologists in Wikipedia
Go to all RankingsIvan Regen
1868 - 1947
HPI: 54.39
Rank: 348
Anders Sparrman
1748 - 1820
HPI: 54.38
Rank: 349
Carlo Allioni
1728 - 1804
HPI: 54.38
Rank: 350
Heinrich Johann Nepomuk von Crantz
1722 - 1799
HPI: 54.38
Rank: 351
Fritz Müller
1822 - 1897
HPI: 54.37
Rank: 352
Christian Ludwig Brehm
1787 - 1864
HPI: 54.32
Rank: 353
Katsuko Saruhashi
1920 - 2007
HPI: 54.31
Rank: 354
Louis Claude Richard
1754 - 1821
HPI: 54.29
Rank: 355
Joel Asaph Allen
1838 - 1921
HPI: 54.29
Rank: 356
Pierre Magnol
1638 - 1715
HPI: 54.25
Rank: 357
Antoine de Jussieu
1686 - 1758
HPI: 54.24
Rank: 358
Achille Richard
1794 - 1852
HPI: 54.24
Rank: 359
William Jackson Hooker
1785 - 1865
HPI: 54.21
Rank: 360
Contemporaries
Among people born in 1920, Katsuko Saruhashi ranks 165. Before her are Dick Francis, Marlen Haushofer, Marie Tharp, Janet Jagan, Thomas Szasz, and Richard Adams. After her are Nasrallah Boutros Sfeir, Barend Biesheuvel, William Conrad, Eduardo Mondlane, Schubert Gambetta, and Roberto M. Levingston. Among people deceased in 2007, Katsuko Saruhashi ranks 134. Before her are Ivica Račan, Dabbs Greer, Andranik Margaryan, Barbara West, Maria Gripe, and Malietoa Tanumafili II. After her are Marais Viljoen, Bauer, Ichiji Otani, Alfonso López Michelsen, Fons Rademakers, and Antonio Puerta.
Others Born in 1920
Go to all RankingsDick Francis
WRITER
1920 - 2010
HPI: 54.61
Rank: 159
Marlen Haushofer
WRITER
1920 - 1970
HPI: 54.57
Rank: 160
Marie Tharp
GEOGRAPHER
1920 - 2006
HPI: 54.55
Rank: 161
Janet Jagan
POLITICIAN
1920 - 2009
HPI: 54.54
Rank: 162
Thomas Szasz
PHYSICIAN
1920 - 2012
HPI: 54.53
Rank: 163
Richard Adams
WRITER
1920 - 2016
HPI: 54.53
Rank: 164
Katsuko Saruhashi
BIOLOGIST
1920 - 2007
HPI: 54.31
Rank: 165
Nasrallah Boutros Sfeir
RELIGIOUS FIGURE
1920 - 2019
HPI: 54.16
Rank: 166
Barend Biesheuvel
POLITICIAN
1920 - 2001
HPI: 54.11
Rank: 167
William Conrad
ACTOR
1920 - 1994
HPI: 54.08
Rank: 168
Eduardo Mondlane
POLITICIAN
1920 - 1969
HPI: 54.04
Rank: 169
Schubert Gambetta
SOCCER PLAYER
1920 - 1991
HPI: 54.02
Rank: 170
Roberto M. Levingston
POLITICIAN
1920 - 2015
HPI: 53.99
Rank: 171
Others Deceased in 2007
Go to all RankingsIvica Račan
POLITICIAN
1944 - 2007
HPI: 54.65
Rank: 128
Dabbs Greer
ACTOR
1917 - 2007
HPI: 54.53
Rank: 129
Andranik Margaryan
POLITICIAN
1949 - 2007
HPI: 54.49
Rank: 130
Barbara West
RELIGIOUS FIGURE
1911 - 2007
HPI: 54.48
Rank: 131
Maria Gripe
WRITER
1923 - 2007
HPI: 54.48
Rank: 132
Malietoa Tanumafili II
POLITICIAN
1913 - 2007
HPI: 54.32
Rank: 133
Katsuko Saruhashi
BIOLOGIST
1920 - 2007
HPI: 54.31
Rank: 134
Marais Viljoen
POLITICIAN
1915 - 2007
HPI: 54.30
Rank: 135
Bauer
SOCCER PLAYER
1925 - 2007
HPI: 54.28
Rank: 136
Ichiji Otani
SOCCER PLAYER
1912 - 2007
HPI: 54.12
Rank: 137
Alfonso López Michelsen
POLITICIAN
1913 - 2007
HPI: 53.99
Rank: 138
Fons Rademakers
ACTOR
1920 - 2007
HPI: 53.96
Rank: 139
Antonio Puerta
SOCCER PLAYER
1984 - 2007
HPI: 53.96
Rank: 140
In Japan
Among people born in Japan, Katsuko Saruhashi ranks 757 out of 6,245. Before her are Seichō Matsumoto (1909), Atsuko Ikeda (1931), Kikuzo Kisaka (null), Kakinomoto no Hitomaro (662), Katō Yoshiaki (1563), and Michihiro Ozawa (1932). After her are Ōmura Sumitada (1533), Kunimitsu Takahashi (1940), Osachi Hamaguchi (1870), Shunsuke Kikuchi (1931), Mitsuo Kamata (1937), and Isao Inokuma (1938).
Others born in Japan
Go to all RankingsSeichō Matsumoto
WRITER
1909 - 1992
HPI: 54.38
Rank: 751
Atsuko Ikeda
POLITICIAN
1931 - Present
HPI: 54.38
Rank: 752
Kikuzo Kisaka
SOCCER PLAYER
HPI: 54.37
Rank: 753
Kakinomoto no Hitomaro
WRITER
662 - 710
HPI: 54.37
Rank: 754
Katō Yoshiaki
MILITARY PERSONNEL
1563 - 1631
HPI: 54.35
Rank: 755
Michihiro Ozawa
SOCCER PLAYER
1932 - Present
HPI: 54.32
Rank: 756
Katsuko Saruhashi
BIOLOGIST
1920 - 2007
HPI: 54.31
Rank: 757
Ōmura Sumitada
POLITICIAN
1533 - 1587
HPI: 54.30
Rank: 758
Kunimitsu Takahashi
RACING DRIVER
1940 - 2022
HPI: 54.29
Rank: 759
Osachi Hamaguchi
POLITICIAN
1870 - 1931
HPI: 54.27
Rank: 760
Shunsuke Kikuchi
COMPOSER
1931 - 2021
HPI: 54.27
Rank: 761
Mitsuo Kamata
SOCCER PLAYER
1937 - Present
HPI: 54.26
Rank: 762
Isao Inokuma
WRESTLER
1938 - 2001
HPI: 54.25
Rank: 763
Among BIOLOGISTS In Japan
Among biologists born in Japan, Katsuko Saruhashi ranks 6. Before her are Yoshinori Ohsumi (1945), Susumu Tonegawa (1939), Tomitaro Makino (1862), Hideyo Noguchi (1876), and Motoo Kimura (1924). After her are Takenoshin Nakai (1882), Akira Miyawaki (1928), Tsuneko Okazaki (1933), Jinzō Matsumura (1856), Akira Endo (1933), and Bunzō Hayata (1874).
Yoshinori Ohsumi
1945 - Present
HPI: 68.69
Rank: 1
Susumu Tonegawa
1939 - Present
HPI: 60.28
Rank: 2
Tomitaro Makino
1862 - 1957
HPI: 57.95
Rank: 3
Hideyo Noguchi
1876 - 1928
HPI: 57.91
Rank: 4
Motoo Kimura
1924 - 1994
HPI: 54.71
Rank: 5
Katsuko Saruhashi
1920 - 2007
HPI: 54.31
Rank: 6
Takenoshin Nakai
1882 - 1952
HPI: 52.52
Rank: 7
Akira Miyawaki
1928 - 2021
HPI: 50.71
Rank: 8
Tsuneko Okazaki
1933 - Present
HPI: 50.20
Rank: 9
Jinzō Matsumura
1856 - 1928
HPI: 48.91
Rank: 10
Akira Endo
1933 - 2024
HPI: 47.64
Rank: 11
Bunzō Hayata
1874 - 1934
HPI: 47.44
Rank: 12