# Letitia Chitty

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{{short description|English engineer}}
{{Use dmy dates|date=April 2018}}
{{Use British English|date=April 2018}}
{{Infobox person
| name               = Letitia Chitty
| image              = <!-- filename only, no "File:" or "Image:" prefix, and no enclosing [brackets](/source/brackets) -->
| alt                = <!-- descriptive text for use by the blind and visually impaired's speech synthesis (text-to-speech) software -->
| caption            = 
| birth_name         = <!-- only use if different from name -->
| birth_date         = {{Birth date|1897|07|15|df=y}}
| birth_place        = [Kensington](/source/Kensington), [London](/source/London), England
| death_date         = {{Death date and age|1982|09|29|1897|07|15|df=y}}
| death_place        = 
| other_names        = 
| alma_mater         = Newnham College, Cambridge
| occupation         = Engineer
| years_active       = 
| known_for          = Aeronautics
| notable_works      = 
}}

'''Letitia Chitty''' (15 July 1897 – 29 September 1982) was an English engineer who became a respected structural analytical engineer, achieving several firsts for women engineers, including becoming the first female fellow of the [Royal Aeronautical Society](/source/Royal_Aeronautical_Society) and the second female recipient of the [Telford Medal](/source/Telford_Medal).

== Early life ==
Born at 51 Campden House Road, Kensington, London, she was  the eldest of four sisters and one brother. Her father Herbert Chitty (1863–1949) was a barrister and (from 1907) bursar of [Winchester College](/source/Winchester_College). Her mother was Mabel Agatha (née Bradby; 1865–1944). Her paternal grandfather was the judge Sir [Joseph William Chitty](/source/Joseph_William_Chitty) and her maternal grandfather was Canon [Edward Henry Bradby](/source/Edward_Bradby), the headmaster of [Haileybury College](/source/Haileybury_and_Imperial_Service_College).<ref name="odnb" />

Her Bradby relatives included uncle [G. F. Bradby](/source/G._F._Bradby), author of ''The Lanchester Tradition'' (1919), and aunt [Barbara Bradby](/source/Barbara_Bradby) joint author of ''The Village Labourer'' (1911). Cousins included the poet [Anne Ridler](/source/Anne_Ridler).<ref>{{Cite ODNB|title=Ridler, Anne Barbara [née Bradby] (1912–2001), poet and writer|url=https://www.oxforddnb.com/view/10.1093/ref:odnb/9780198614128.001.0001/odnb-9780198614128-e-76404|access-date=2020-09-27|year = 2004|language=en|doi=10.1093/ref:odnb/76404}}</ref>

Her godmother was Violet Jex-Blake, niece of the suffragist and first female medical graduate in the UK, [Sophia Jex-Blake](/source/Sophia_Jex-Blake).<ref name=":0">{{Cite web |title=60: Letitia Chitty |url=http://www.magnificentwomen.co.uk/1/post/2019/07/60-letitia-chitty.html |access-date=29 September 2022 |website=Magnificent Women |language=en}}</ref>

==Education==

Chitty was privately educated between 1903 and 1916, latterly at Kensington High School.<ref name="odnb">{{Cite web|url=https://www.oxforddnb.com/view/10.1093/odnb/9780198614128.001.0001/odnb-9780198614128-e-70068|title=Chitty, Letitia (1897–1982), mathematician and civil engineer|website=www.oxforddnb.com|language=en|doi=10.1093/odnb/9780198614128.013.70068|access-date=2019-10-08|year=2018|last1=Barrett|first1=Anne|isbn=978-0-19-861412-8 }}</ref> She entered [Newnham College, Cambridge](/source/Newnham_College%2C_Cambridge) in 1916, taking the first part of the [Tripos](/source/Tripos). During [World War I](/source/World_War_I), as part of a British programme to identify the best female mathematics graduates and current students,<ref>{{Cite book|title=Magnificent women and their revolutionary machines.|last=HEALD, HENRIETTA.|date=2019|publisher=UNBOUND|isbn=978-1783526604|location=[Place of publication not identified]|oclc=1080083743}}</ref> she was selected for war work with [Alfred Pippard](/source/Alfred_Pippard) at the [Admiralty Air Department](/source/Admiralty_Air_Department) at age 19. After the war she returned to her studies, changed subject to engineering, and graduated with a titular degree<ref name="odnb" /> from Newnham College with first class honours in the Mechanical Sciences Tripos, 1921, the first woman to do so.<ref>{{Cite journal|date=1921|title=News of members|journal=The Woman Engineer |publisher=Women's Engineering Society|volume=1|issue=8}}</ref><ref name=Imperial>{{Cite web|url=http://www.imperial.ac.uk/centenary/timeline/1930.shtml|title=Imperial College Timeline 1930s|date=2007|website=Imperial College|access-date=30 March 2016}}</ref><ref name="Haines">{{cite book|last1=Haines|first1=Catharine M.C.|title=International Women in Science: A Biographical Dictionary to 1950|date=2001|publisher=ABC-CLIO|isbn=9781576070901|page=[https://archive.org/details/internationalwom00hain/page/61 61]|url-access=registration|url=https://archive.org/details/internationalwom00hain/page/61}}</ref>

== Early career ==
Her early career focused on analysing the stresses of airframes, airships and [civil engineering](/source/civil_engineering) structures, initially with the Admiralty Air Department and then, after graduating, at the [Air Ministry](/source/Air_Ministry) with [Richard Southwell](/source/Richard_V._Southwell) and Alfred Pippard.

===Work with Tarrant Tabor===
At the end of the war, W. G. Tarrant, who was previously a timber merchant, built a massive bomber: the [Tarrant Tabor](/source/Tarrant_Tabor). The original [biplane](/source/biplane) design had to be altered to [triplane](/source/triplane) to accommodate more engines, and the Admiralty Air Department was asked to check its structural strength. Chitty was given this task.

In her own words:

<blockquote>"Mr. Tarrant was an inspired timber merchant who dreamed of a super-[Camel](/source/Sopwith_Camel). It hadn't a chance. It was too big, too heavy - that wasn't its fault, but Grade A spruce had by now run out and it had to be built of American white wood (tulip). In my language, 3,500 instead of 5,500 lb/sq in."<ref>{{Cite book |last=Gunston |first=Bill |title=Giants of the Sky: Biggest Aeroplanes of All Time |publisher=Patrick Stephens Ltd |year=1991 |isbn=9781852602581 |edition=1st |pages=61-2}}</ref> </blockquote>

The plane pitched over during its first take-off at the [Royal Aircraft Establishment](/source/Royal_Aircraft_Establishment), [Farnborough](/source/Farnborough_Airport) on 26 May 1919, killing both pilots and seriously injuring the other six people on board.<ref name=":0" />

==Later career==
thumb|Imperial College, London, where Chitty worked.
Chitty moved to [Imperial College](/source/Imperial_College_London) in 1934 where she remained for the rest of her career, initially specialising in structural stresses in aircraft.<ref name=Imperial /> During the 1930s, she was part of a group which analysed the crash of the airship [R38](/source/R38-class_airship), and published various Air Ministry papers on stresses and strains on airship structures.<ref name="Haines" /> She was an early member of the [Women's Engineering Society](/source/Women's_Engineering_Society).

Her [World War II](/source/World_War_II) work included research into stresses in [submarine](/source/submarine) hulls under shell attack, extensible cables and pulley blocks for [barrage balloons](/source/barrage_balloons), for the Director of Scientific Research of the [Admiralty](/source/British_Admiralty) and the [Ministry of Supply](/source/Ministry_of_Supply). Later research interests included arches and arch dams - in particular, the [Dukan Dam](/source/Dukan_Dam) in Iraq - and she contributed to an international symposium on arched dams in 1968.<ref name="Haines" />

Initially an Imperial College research assistant, Chitty became a lecturer in 1937, and retired in 1962. She was the first female Fellow of the [Royal Aeronautical Society](/source/Royal_Aeronautical_Society) (FRAeS), the third female Corporate Member of the [Institution of Civil Engineers](/source/Institution_of_Civil_Engineers) and the first woman to be appointed to an ICE technical committee, in 1958. She was awarded four [Telford Premium](/source/Telford_Premium) medals for papers written with Pippard, and in 1969 became the first woman to receive the Telford Gold Medal.<ref name="Haines" />

She travelled widely and published a book, "Abroad. An alphabet of Flowers", in 1948, with her own drawings and notes about her holidays.<ref>{{Cite book|title=Abroad: an alphabet of flowers|last=Chitty|first=Letitia|year=1948|asin=B000WTJYII}}</ref>

In her will, she left a bequest to Imperial College, which named its Library reading room after her.<ref name="Library">{{cite web|title=Benefactor Profile: Letitia Chitty (1897-1982)|url=http://www.imperial.ac.uk/civil-engineering/about-us/library/benefactor-profile-letitia-chitty-1897-1982/|website=Imperial College, London|access-date=31 March 2016}}</ref> Imperial College also presents a Letitia Chitty Centenary Memorial Prize, while Newnham College has presented a 'Letitia Chitty Award for Engineering'.

== References ==
{{Reflist}}

== External links ==
* [http://www.imperial.ac.uk/ImageCropToolT4/imageTool/uploaded-images/Chitty--tojpeg_1425399593895_x2.jpg Photo of Letitia Chitty from http://www.imperial.ac.uk]
* [http://www.geocities.co.jp/Playtown-Dice/2996/tarrant-tabor.jpg Photo of the Tarrant Tabor]
* Blog discussion about the Tarrant Tabor http://rec.aviation.military.narkive.com/CpWMia8v/first-us-army-bomber

{{Authority control}}

{{DEFAULTSORT:Chitty, Letitia}}
Category:British aeronautical engineers
Category:20th-century English women engineers
Category:20th-century English engineers
Category:Women's Engineering Society
Category:Alumni of Newnham College, Cambridge
Category:People from Kensington
Category:1897 births
Category:1982 deaths
Category:Engineers from London

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