# June Sutor

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{{Short description|New Zealand crystallographer (1927–1990)}}
{{Use dmy dates|date=July 2019}}
{{Use New Zealand English|date=July 2019}}
{{Infobox scientist
| honorific_prefix  = 
| name              = June Sutor
| honorific_suffix  = 
| image             = June_Sutor_died_1990.png <!--Fair use image -->
| alt               = 
| caption           = 
| birth_name        = Dorothy June Sutor
| birth_date        = {{Birth date|1929|06|06|df=y}}
| birth_place       = [Auckland](/source/Auckland), New Zealand
| death_date        = {{Death date and age|1990|05|27|1929|06|06|df=y}}
| death_place       = [London](/source/London), England
| fields            = [Crystallography](/source/Crystallography)
| workplaces        = [Birkbeck College](/source/Birkbeck%2C_University_of_London) <br> [University College London](/source/University_College_London)
| alma_mater        = {{nowrap|[Auckland University College](/source/University_of_Auckland) (MSc, PhD)}}<br>[Newnham College, Cambridge](/source/Newnham_College%2C_Cambridge) (PhD)
| thesis1_title     = The crystal structure of dipotassium nitroacetate and {{Non breaking hyphen}}nitropropionic acid
| thesis1_url       = https://catalogue.library.auckland.ac.nz/primo-explore/fulldisplay?docid=uoa_alma21190939600002091&context=L&vid=NEWUI&lang=en_US
| thesis1_year      = 1953
| doctoral_advisors = [Frederick John Llewellyn](/source/Frederick_John_Llewellyn)
| thesis2_title     = <!--(or  | thesis1_title =  and  | thesis2_title = )-->
| thesis2_url       = <!--(or  | thesis1_url  =   and  | thesis2_url  =  )-->
| thesis2_year      = <!--(or  | thesis1_year =   and  | thesis2_year =  )-->
| academic_advisors = 
| doctoral_students = 
| notable_students  = 
| known_for         = C−H···:O hydrogen bonds
| influences        = 
| influenced        = 
| awards            = 
| signature         = <!--(filename only)-->
}}
'''Dorothy June Sutor''' (6 June 1929 – 27 May 1990) was a New Zealand-born [crystallographer](/source/Crystallography) who spent most of her research career in England. She was one of the first scientists to establish that [hydrogen bond](/source/hydrogen_bond)s could form to hydrogen atoms bonded to carbon atoms. She later worked in the laboratory of [Kathleen Lonsdale](/source/Kathleen_Lonsdale) on the characterisation and prevention of [urinary calculi](/source/urinary_calculi).

== Early life and education ==
Sutor was born in New Zealand, in the [Auckland](/source/Auckland) suburb of [Parnell](/source/Parnell%2C_New_Zealand), on 6 June 1929, the daughter of Victor Edward Sutor, a coach builder, and Cecilia Maud Sutor (née Craner).<ref name=":0">{{Cite web |url=https://www.chemistryworld.com/features/the-forgotten-female-crystallographer-who-discovered-cho-bonds/3010324.article |title=The forgotten female crystallographer who discovered C–H⋯O bonds |first=Andy |last=Extance |date=2 April 2019 |website=Chemistry World |access-date=2019-07-06}}</ref><ref>{{cite web |url=https://search.ancestry.co.uk/cgi-bin/sse.dll?indiv=try&db=ONSDeath93&h=8739861 |title=England & Wales, civil registration death index, 1916–2007 |year=2007 |publisher=Ancestry.com Operations |accessdate=8 July 2019 |url-access=subscription}}</ref><ref>{{cite news |url=https://paperspast.natlib.govt.nz/newspapers/AS19290608.2.3 |title=Births |date=8 June 1929 |work=Auckland Star |accessdate=8 July 2019 |page=1}}</ref> She was educated at [St Cuthbert's College](/source/St_Cuthbert's_College%2C_Auckland),<ref>{{cite news |url=https://paperspast.natlib.govt.nz/newspapers/AS19451213.2.106 |title=School prizes |date=13 December 1945 |work=Auckland Star |accessdate=9 July 2019 |page=7}}</ref><ref name="In memorium">{{cite web |url=https://ddcy2gtj9v0dh.cloudfront.net/Uploads/v/h/z/June-Sutor---In-Memoriam.pdf |title=June Sutor 1929–1990 |date=July 1990 |publisher=All Saint's Church, Talbot Road, Highgate |accessdate=9 July 2019 |archive-date=19 December 2021 |archive-url=https://web.archive.org/web/20211219170843/https://ddcy2gtj9v0dh.cloudfront.net/Uploads/v/h/z/June-Sutor---In-Memoriam.pdf |url-status=dead }}</ref> and went on to study [chemistry](/source/chemistry) at [Auckland University College](/source/University_of_Auckland).<ref name=":0" /> She graduated [Master of Science](/source/Master_of_Science) with first-class honours in 1952 and, supervised by [Frederick John Llewellyn](/source/John_Llewellyn_(academic)), she graduated with her first [PhD](/source/PhD) in 1954.<ref>{{Cite web|url=http://shadowsoftime.co.nz/university22.html|title=NZ University Graduates 1870-1961|website=Shadows of Time|access-date=2019-07-07}}</ref> She published her first single-author ''[Acta Crystallographica](/source/Acta_Crystallographica)'' paper, ''The unit cell and space group of ethyl nitrolic acid'', whilst a student.<ref name=":1" /><ref>{{Cite journal|last=Sutor|first=D. J.|date=1953|title=The unit cell and space group of ethyl nitrolic acid|journal=Acta Crystallographica|language=en|volume=6|issue=10|pages=811|doi=10.1107/S0365110X53002350|bibcode=1953AcCry...6..811S |issn=0365-110X}}</ref><ref>{{Cite web|url=https://scanz.iucr.org/history/lab-sketches/university-of-auckland|title=SCANZ {{!}} University of Auckland|website=scanz.iucr.org|access-date=2019-07-07|archive-date=7 July 2019|archive-url=https://web.archive.org/web/20190707190634/https://scanz.iucr.org/history/lab-sketches/university-of-auckland|url-status=dead}}</ref>

In 1954, Sutor went to the United Kingdom, and took up a travelling scholarship and [Bathurst Studentship](/source/Bathurst_studentship) at [Newnham College, Cambridge](/source/Newnham_College%2C_Cambridge).<ref name="In memorium"/> There, she earned a PhD on the structures of [purine](/source/purine)s and [nucleoside](/source/nucleoside)s in 1958.<ref name=":0" /><ref name="In memorium"/> During her second doctorate, Sutor identified the structure of [caffeine](/source/caffeine), and showed that it can readily recrystallise in its monohydrate form.<ref>{{Cite journal|last=Sutor|first=D. J.|date=1958-07-10|title=The structures of the pyrimidines and purines. VII. The crystal structure of caffeine|journal=Acta Crystallographica|language=en|volume=11|issue=7|pages=453–458|doi=10.1107/S0365110X58001286|issn=0365-110X|doi-access=free|bibcode=1958AcCry..11..453S }}</ref><ref>{{Cite journal|last1=Kolehmainen|first1=Erkki|last2=Nonappa|date=2016|title=Caffeine as a Gelator|journal=Gels|language=en|volume=2|issue=1|pages=9|doi=10.3390/gels2010009|pmid=30674141|pmc=6318762|doi-access=free}}</ref>

== Research and career ==
Sutor moved to Australia in 1958, working as a research officer in [Melbourne](/source/Melbourne).<ref name=":0" /><ref name="In memorium"/> In 1959, she returned to Britain to take up an [Imperial Chemical Industries](/source/Imperial_Chemical_Industries) Fellowship at [Birkbeck College](/source/Birkbeck%2C_University_of_London), where she worked with [J. D. Bernal](/source/J._D._Bernal), [Rosalind Franklin](/source/Rosalind_Franklin), and [Aaron Klug](/source/Aaron_Klug) on the application of [X-ray crystallography](/source/X-ray_crystallography) in molecular biology.<ref name=":0" /><ref>{{Cite book|url=https://books.google.com/books?id=E1HqCAAAQBAJ&pg=PA193 |title=World Directory of Crystallographers and of Other Scientists Employing Crystallographic Methods|date=2013-11-11|publisher=Springer |isbn=9789401737036|editor-last=Maslen |editor-first=E.N. |accessdate=9 July 2019}}</ref> She worked on [hydrogen bonding](/source/Hydrogen_bond) and computational chemistry, writing programs for the [EDSAC](/source/EDSAC).<ref name=":0" /> Sutor used the concept of [electronegativity](/source/electronegativity), introduced by [Linus Pauling](/source/Linus_Pauling) in 1932, to explain hydrogen bonds.<ref name=":0" /> She investigated the [Van der Waals](/source/Van_der_Waals_force) distances that are shortened during hydrogen bonding, and based on her findings proposed that a C–H group that is activated by [partial ionization](/source/partial_ionization) can take part in hydrogen bonding (so called [C-H···O bonds](/source/C%E2%80%93H%C2%B7%C2%B7%C2%B7O_interaction)).<ref>{{Cite journal|last=June Sutor|first=D.|date=1962|title=The C–H… O Hydrogen Bond in Crystals|journal=Nature|language=en|volume=195|issue=4836|pages=68–69|doi=10.1038/195068a0|bibcode=1962Natur.195...68J|s2cid=4179976|issn=1476-4687}}</ref><ref>{{Cite journal|last=Sutor|first=D. June|date=1963-01-01|title=204. Evidence for the existence of C–H⋯O hydrogen bonds in crystals|url=https://pubs.rsc.org/en/content/articlelanding/1963/jr/jr9630001105|journal=Journal of the Chemical Society (Resumed)|language=en|pages=1105–1110|doi=10.1039/JR9630001105|issn=0368-1769|url-access=subscription}}</ref> She investigated the structure of [theacrine](/source/theacrine), [DNA](/source/DNA) and other purine compounds.<ref name=":0" /> In 1962, Sutor published the first crystallographic evidence for C-H ⋯O bonding.<ref name=":1" /> Her work expanded from small-molecule crystal structures to [alkaloid](/source/alkaloid)s.<ref name=":1" />

Her work was criticised by [Jerry Donohue](/source/Jerry_Donohue), who disputed her Van der Waals distances and claimed that she had data problems. At the time, Donohue's textbooks were in most laboratories, and he was a common reviewer for academic papers including [crystal structures](/source/Crystal_structure).<ref name=":0" /> [Carl Schwalbe](/source/Carl_Schwalbe) has speculated that this could have been due to academic jealousy, saying in 2019 that "acceptance of women in science, particularly the physical sciences, was by no means complete".<ref name=":0" /><ref name=":1">{{Cite journal|last=Schwalbe|first=Carl H.|date=2012-07-01|title=June Sutor and the C–H ··· O hydrogen bonding controversy|journal=Crystallography Reviews|volume=18|issue=3|pages=191–206|doi=10.1080/0889311X.2012.674945|bibcode=2012CryRv..18..191S |s2cid=96289568|issn=0889-311X}}</ref>

Sutor moved back to New Zealand, working briefly for the [Department of Scientific and Industrial Research](/source/Department_of_Scientific_and_Industrial_Research_(New_Zealand)) before taking leave to look after her father, who died in 1964.<ref name=":0" /><ref>{{cite web |url=http://www.purewa.co.nz/view/?id=54968 |title=Burial & cremation details  |publisher=Purewa Cemetery and Crematorium |accessdate=9 July 2019}}</ref> In 1966, Sutor was offered a job by [Kathleen Lonsdale](/source/Kathleen_Lonsdale) at [University College London](/source/University_College_London). She studied [urinary calculi](/source/urinary_calculi) and searched for ways to prevent them.<ref name=":0" /><ref>{{Cite journal|last1=Wooley|first1=Susan E.|last2=Sutor|first2=D. June|date=1971-01-01|title=A statistical survey of the composition of gallstones in eight countries|url= |journal=Gut|language=en|volume=12|issue=1|pages=55–64|doi=10.1136/gut.12.1.55|issn=0017-5749|pmid=5543374|pmc=1411468}}</ref><ref>{{Cite journal|last1=Hermon Dowling|first1=R.|last2=Rose|first2=G. Alan|last3=June Sutor|first3=D.|title=Hyperoxaluria and Renal Calculi in Ileal Disease|date=1971-05-29|journal=The Lancet|series=Originally published as Volume 1, Issue 7709|volume=297|issue=7709|pages=1103–1106|doi=10.1016/S0140-6736(71)91840-X|pmid=4102626|issn=0140-6736}}</ref> Sutor had good contacts with hospital staff, and even managed to secure [Napoléon III](/source/Napol%C3%A9on_III)'s [bladder stone](/source/bladder_stone). She was supported by a grant from the [Nuffield Foundation](/source/Nuffield_Foundation).<ref name=":0" /> In 1979, Sutor became partially sighted, and more "interested in the theoretical aspects of stone growth".<ref name=":1" /><ref>{{Cite journal|last=June Sutor|first=D.|date=1981-01-01|title=Crystal growth in bile|journal=Progress in Crystal Growth and Characterization|volume=4|issue=1|pages=47–57|doi=10.1016/0146-3535(81)90047-2|issn=0146-3535}}</ref>

==Death and legacy==
Sutor died of cancer in London on 27 May 1990.<ref name=":0" /> She bequeathed her estate of over £500,000 for the establishment of June Sutor Fellowships for research at [Moorfields Eye Hospital](/source/Moorfields_Eye_Hospital) into the prevention of blindness.<ref name=":0" />

Sutor's predictions on the hydrogen bond were confirmed by [Robin Taylor](/source/Robin_Taylor_(crystallographer)) and [Olga Kennard](/source/Olga_Kennard) in the 1980s.<ref>{{Cite journal|last1=Taylor|first1=Robin|last2=Kennard|first2=Olga|date=1984-09-01|title=Hydrogen-bond geometry in organic crystals|journal=Accounts of Chemical Research|volume=17|issue=9|pages=320–326|doi=10.1021/ar00105a004|issn=0001-4842}}</ref><ref>{{Cite journal|last1=Taylor|first1=Robin|last2=Kennard|first2=Olga|date=1982-09-01|title=Crystallographic evidence for the existence of CH.cntdot..cntdot..cntdot.O, CH.cntdot..cntdot..cntdot.N and CH.cntdot..cntdot..cntdot.Cl hydrogen bonds|journal=Journal of the American Chemical Society|volume=104|issue=19|pages=5063–5070|doi=10.1021/ja00383a012|bibcode=1982JAChS.104.5063T |issn=0002-7863}}</ref> Their work included 113 [neutron diffraction](/source/neutron_diffraction) patterns in the [Cambridge Crystallographic Database](/source/Cambridge_Crystallographic_Database), and found that Sutor's C–H⋯O bond distances were correct to within {{convert|0.03|Å|nm|abbr=on|3}}.<ref name=":0" /> [Gautam Radhakrishna Desiraju](/source/Gautam_Radhakrishna_Desiraju) dedicated a chapter of his book on hydrogen bonds to the work of Sutor, and Carl Schwalbe compared the structures cited by Sutor to modern redeterminations.<ref>{{Cite journal|last=Desiraju|first=Gautam R.|date=1996-01-01|title=The C−H···O Hydrogen Bond: Structural Implications and Supramolecular Design|journal=Accounts of Chemical Research|volume=29|issue=9|pages=441–449|doi=10.1021/ar950135n|pmid=23618410|issn=0001-4842}}</ref>

== References ==
{{Reflist}}

{{authority control}}

{{DEFAULTSORT:Sutor, Jane}}
Category:1929 births
Category:1990 deaths
Category:People from Auckland
Category:People educated at St Cuthbert's College, Auckland
Category:University of Auckland alumni
Category:Alumni of Newnham College, Cambridge
Category:New Zealand women chemists
Category:Crystallographers
Category:People associated with Department of Scientific and Industrial Research (New Zealand)
Category:People associated with Birkbeck, University of London
Category:People associated with University College London
Category:New Zealand expatriates in England
Category:Deaths from cancer in England
Category:20th-century chemists

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Adapted from the Wikipedia article [June Sutor](https://en.wikipedia.org/wiki/June_Sutor) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/June_Sutor?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.
