John Herivel
✓ Source-basedrisingBritish science historian, World War II codebreaker at Bletchley Park (1918-2011)
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John William Jamieson Herivel was a British science historian and World War II codebreaker at Bletchley Park.
Also inDeutsch
Photos 4
Military Enigma machine.
Two Enigma rotors showing electrical contacts, stepping ratchet (on the left) and notch (on the right-hand rotor opposite letter D).
Three rotors inside an Enigma machine. In the middle rotor, the ring setting pin can be seen with a small red indicating arrow adjacent to the 01 position. To adjust the ring setting, the spring-loaded pin could be moved to the right to allow the ring to be turned until at the desired position.![75 Lonsdale Road, Oxford, where Herivel died. A blue plaque commemorates him as 'mathematician and codebreaker'.[33][34]](https://upload.wikimedia.org/wikipedia/commons/thumb/3/30/John_Herivel%27s_house_in_Oxford.jpg/1280px-John_Herivel%27s_house_in_Oxford.jpg)
75 Lonsdale Road, Oxford, where Herivel died. A blue plaque commemorates him as 'mathematician and codebreaker'.[33][34]Academics from United Kingdom 6
About this person
Country
United KingdomCategory
Academics
Type
Academic
Status
deceased
Dates
Lived 1918 to 2011 · aged 92
Written about in
7 languages
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