CHEMIST
Helen Murray Free
1923 - 2021

Helen Murray Free
Helen Murray Free (February 20, 1923 – May 1, 2021) was an American chemist and educator. She is most known for her work on in vitro self-testing systems for diabetes and other diseases. Read more on Wikipedia
Her biography is available in different languages on Wikipedia. Helen Murray Free is the 508th most popular chemist (up from 542nd in 2019), the 7,207th most popular biography from United States (up from 8,820th in 2019) and the 89th most popular American Chemist.
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Among CHEMISTS
Among chemists, Helen Murray Free ranks 508 out of 602. Before her are Johannes Thiele, John Walker, Julius Wilbrand, Karen Wetterhahn, Ludwig Knorr, and Jan Szczepanik. After her are Wilhelm Rudolph Fittig, William Hallowes Miller, Hermann Wilhelm Vogel, Luis E. Miramontes, Zdenko Hans Skraup, and Jacob Volhard.
Most Popular Chemists in Wikipedia
Go to all RankingsJohannes Thiele
1865 - 1918
HPI: 56.38
Rank: 502
John Walker
1781 - 1859
HPI: 56.37
Rank: 503
Julius Wilbrand
1839 - 1906
HPI: 56.31
Rank: 504
Karen Wetterhahn
1948 - 1997
HPI: 56.30
Rank: 505
Ludwig Knorr
1859 - 1921
HPI: 56.28
Rank: 506
Jan Szczepanik
1872 - 1926
HPI: 56.18
Rank: 507
Helen Murray Free
1923 - 2021
HPI: 56.16
Rank: 508
Wilhelm Rudolph Fittig
1835 - 1910
HPI: 56.16
Rank: 509
William Hallowes Miller
1801 - 1880
HPI: 56.15
Rank: 510
Hermann Wilhelm Vogel
1834 - 1898
HPI: 55.98
Rank: 511
Luis E. Miramontes
1925 - 2004
HPI: 55.89
Rank: 512
Zdenko Hans Skraup
1850 - 1910
HPI: 55.89
Rank: 513
Jacob Volhard
1834 - 1910
HPI: 55.81
Rank: 514
Contemporaries
Among people born in 1923, Helen Murray Free ranks 307. Before her are Kosta Tomašević, Xie Jin, Ladislav Fuks, Adolf Grünbaum, Juan Acuña, and Vittorio De Seta. After her are V. N. Janaki, Fats Navarro, Paula Fox, Shlomo Hillel, Patrick Moore, and Jean-Paul Riopelle. Among people deceased in 2021, Helen Murray Free ranks 394. Before her are Milan Bandić, Tarcísio Meira, Vera Nikolić, David Bailie, Juan Masnik, and Håkon Brusveen. After her are Jüri Tamm, Justin Lekhanya, Rildo da Costa Menezes, Tony Trabert, Ernie Lively, and Arturo Armando Molina.
Others Born in 1923
Go to all RankingsKosta Tomašević
SOCCER PLAYER
1923 - 1976
HPI: 56.32
Rank: 301
Xie Jin
FILM DIRECTOR
1923 - 2008
HPI: 56.32
Rank: 302
Ladislav Fuks
WRITER
1923 - 1994
HPI: 56.30
Rank: 303
Adolf Grünbaum
PHILOSOPHER
1923 - 2018
HPI: 56.25
Rank: 304
Juan Acuña
SOCCER PLAYER
1923 - 2001
HPI: 56.22
Rank: 305
Vittorio De Seta
FILM DIRECTOR
1923 - 2011
HPI: 56.21
Rank: 306
Helen Murray Free
CHEMIST
1923 - 2021
HPI: 56.16
Rank: 307
V. N. Janaki
POLITICIAN
1923 - 1996
HPI: 56.15
Rank: 308
Fats Navarro
MUSICIAN
1923 - 1950
HPI: 56.11
Rank: 309
Paula Fox
WRITER
1923 - 2017
HPI: 56.09
Rank: 310
Shlomo Hillel
POLITICIAN
1923 - 2021
HPI: 56.06
Rank: 311
Patrick Moore
ASTRONOMER
1923 - 2012
HPI: 56.02
Rank: 312
Jean-Paul Riopelle
PAINTER
1923 - 2002
HPI: 55.96
Rank: 313
Others Deceased in 2021
Go to all RankingsMilan Bandić
POLITICIAN
1955 - 2021
HPI: 56.24
Rank: 388
Tarcísio Meira
ACTOR
1935 - 2021
HPI: 56.21
Rank: 389
Vera Nikolić
ATHLETE
1948 - 2021
HPI: 56.19
Rank: 390
David Bailie
ACTOR
1937 - 2021
HPI: 56.18
Rank: 391
Juan Masnik
SOCCER PLAYER
1943 - 2021
HPI: 56.18
Rank: 392
Håkon Brusveen
ATHLETE
1927 - 2021
HPI: 56.17
Rank: 393
Helen Murray Free
CHEMIST
1923 - 2021
HPI: 56.16
Rank: 394
Jüri Tamm
ATHLETE
1957 - 2021
HPI: 56.16
Rank: 395
Justin Lekhanya
POLITICIAN
1938 - 2021
HPI: 56.16
Rank: 396
Rildo da Costa Menezes
SOCCER PLAYER
1942 - 2021
HPI: 56.16
Rank: 397
Tony Trabert
TENNIS PLAYER
1930 - 2021
HPI: 56.14
Rank: 398
Ernie Lively
ACTOR
1947 - 2021
HPI: 56.13
Rank: 399
Arturo Armando Molina
POLITICIAN
1927 - 2021
HPI: 56.13
Rank: 400
In United States
Among people born in United States, Helen Murray Free ranks 7,209 out of 20,380. Before her are Nolan Ryan (1947), Malcom McLean (1913), Miles Teller (1987), Melville Shavelson (1917), Charles Sibley (1917), and Ethelda Bleibtrey (1902). After her are Larry Brown (1940), Bitsie Tulloch (1981), Randy Johnson (1963), William Roth (1921), Hoagy Carmichael (1899), and Spike Jonze (1969).
Others born in United States
Go to all RankingsNolan Ryan
BASEBALL PLAYER
1947 - Present
HPI: 56.17
Rank: 7,203
Malcom McLean
BUSINESSPERSON
1913 - 2001
HPI: 56.17
Rank: 7,204
Miles Teller
ACTOR
1987 - Present
HPI: 56.17
Rank: 7,205
Melville Shavelson
FILM DIRECTOR
1917 - 2007
HPI: 56.17
Rank: 7,206
Charles Sibley
BIOLOGIST
1917 - 1998
HPI: 56.17
Rank: 7,207
Ethelda Bleibtrey
SWIMMER
1902 - 1978
HPI: 56.16
Rank: 7,208
Helen Murray Free
CHEMIST
1923 - 2021
HPI: 56.16
Rank: 7,209
Larry Brown
BASKETBALL PLAYER
1940 - Present
HPI: 56.16
Rank: 7,210
Bitsie Tulloch
ACTOR
1981 - Present
HPI: 56.16
Rank: 7,211
Randy Johnson
BASEBALL PLAYER
1963 - Present
HPI: 56.16
Rank: 7,212
William Roth
POLITICIAN
1921 - 2003
HPI: 56.15
Rank: 7,213
Hoagy Carmichael
SINGER
1899 - 1981
HPI: 56.15
Rank: 7,214
Spike Jonze
FILM DIRECTOR
1969 - Present
HPI: 56.15
Rank: 7,215
Among CHEMISTS In United States
Among chemists born in United States, Helen Murray Free ranks 89. Before her are James Crafts (1839), John Tukey (1915), Myrtle Bachelder (1908), Donella Meadows (1941), Allen J. Bard (1933), and Karen Wetterhahn (1948). After her are Bruce Ames (1928), Michael Behe (1952), Darleane C. Hoffman (1926), Robert Jarvik (1946), Margaret Oakley Dayhoff (1925), and Mary L. Good (1931).
James Crafts
1839 - 1917
HPI: 58.81
Rank: 83
John Tukey
1915 - 2000
HPI: 58.73
Rank: 84
Myrtle Bachelder
1908 - 1997
HPI: 58.20
Rank: 85
Donella Meadows
1941 - 2001
HPI: 57.86
Rank: 86
Allen J. Bard
1933 - 2024
HPI: 57.17
Rank: 87
Karen Wetterhahn
1948 - 1997
HPI: 56.30
Rank: 88
Helen Murray Free
1923 - 2021
HPI: 56.16
Rank: 89
Bruce Ames
1928 - 2024
HPI: 55.52
Rank: 90
Michael Behe
1952 - Present
HPI: 55.39
Rank: 91
Darleane C. Hoffman
1926 - Present
HPI: 55.37
Rank: 92
Robert Jarvik
1946 - 2025
HPI: 55.22
Rank: 93
Margaret Oakley Dayhoff
1925 - 1983
HPI: 55.14
Rank: 94
Mary L. Good
1931 - 2019
HPI: 54.89
Rank: 95