Michael Guy

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title: "Michael Guy" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["1940s-births", "living-people", "20th-century-british-mathematicians", "alumni-of-gonville-and-caius-college,-cambridge", "recreational-mathematicians", "mathematics-popularizers", "british-computer-scientists", "year-of-birth-missing-(living-people)"] description: "British mathematician and computer scientist" topic_path: "science/mathematics" source: "https://en.wikipedia.org/wiki/Michael_Guy" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0

::summary British mathematician and computer scientist ::

::data[format=table title="Infobox scientist"]

Field	Value
name	Michael J. T. Guy
image
birth_name
birth_date
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citizenship	United Kingdom
fields	Computer science, mathematics
workplaces	University of Cambridge
thesis_title
thesis_url
thesis_year
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academic_advisors	J. W. S. Cassels
known_for	ALGOL 68C
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partner
signature
website
::

| honorific_prefix = | name = Michael J. T. Guy | honorific_suffix = | native_name = | native_name_lang = | image = | image_upright = | alt = | caption = | birth_name = | birth_date = | birth_place = | death_date = | death_place = | death_cause = | resting_place = | resting_place_coordinates = | home_town = | other_names = | siglum = | pronounce = | citizenship = United Kingdom | nationality = | fields = Computer science, mathematics | workplaces = University of Cambridge | patrons = | education = | thesis_title = | thesis_url = | thesis_year = | doctoral_advisor = | academic_advisors = J. W. S. Cassels | doctoral_students = | notable_students = | known_for = ALGOL 68C | awards = | spouse = | partner = | children = | signature = | signature_alt = | website = | footnotes = Michael J. T. Guy (born 1 April 1943) is a British computer scientist and mathematician. He is known for early work on computer systems, such as the Phoenix system at the University of Cambridge, and for contributions to number theory, computer algebra, and the theory of polyhedra in higher dimensions. He worked closely with John Horton Conway, and is the son of Conway's collaborator Richard K. Guy.

Mathematical work

With Conway, Guy found the complete solution to the Soma cube of Piet Hein. Also with Conway, an enumeration led to the discovery of the grand antiprism, an unusual uniform polychoron in four dimensions. The two had met at Gonville and Caius College, Cambridge, where Guy was an undergraduate student from 1960, and Conway was a graduate student. It was through Michael that Conway met Richard Guy, who would become a co-author of works in combinatorial game theory. Michael Guy with Conway made numerous particular contributions to geometry, number and game theory, often published in problem selections by Richard Guy. Some of these are recreational mathematics, others contributions to discrete mathematics. They also worked on the sporadic groups.

Guy began work as a research student of J. W. S. Cassels at Department of Pure Mathematics and Mathematical Statistics (DPMMS), Cambridge. He did not complete a Ph.D., but joint work with Cassels produced numerical examples on the Hasse principle for cubic surfaces.

Computer science

He subsequently went into computer science. He worked on the filing system for Titan, Cambridge's Atlas 2, being one of a team of four in one office including Roger Needham. In working on ALGOL 68, he was co-author with Stephen R. Bourne of ALGOL 68C.

Bibliography

Notes

References

References

1. "Archived copy".
2. Weisstein, Eric W.. (). "Soma Cube".
3. Kustes, William (Bill). "The SOMAP construction map".
4. Guy, Richard K.. (November 1982). "[[John Horton Conway]]: Mathematical Magus". The Two-Year College Mathematics Journal.
5. (1982). "Message graphs". Annals of Discrete Mathematics.
6. Griess, Robert L. Jr.. (1998). "Twelve Sporadic Groups". Springer.
7. Cassels, J. W. S.. (1995). "Computer-aided serendipity". Rendiconti del Seminario Matematico della Università di Padova.
8. (1966). "On the Hasse principle for cubic surfaces". [[Mathematika]].
9. (2004). "Computer Systems: Theory, Technology, and Applications: a Tribute to [[Roger Needham]]".
10. "Atlas 2 at Cambridge Mathematical Laboratory (And Aldermaston and CAD Centre)".
11. (21 July 1999). "EDSAC 1 and after". University of Cambridge.
12. (March 1999). "Computer Laboratory - Events in the early history of the Computer Laboratory". University of Cambridge.
13. link. (25 August 2007)
14. [http://burks.bton.ac.uk/burks/foldoc/41/4.htm ALGOL 68C]

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