Hallard Croft

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Hallard Croft
Born(1936-04-15)15 April 1936
Bromley, England
Died15 September 2025(2025-09-15) (aged 89)
Alma materPeterhouse, Cambridge
Scientific career
FieldsMathematics
InstitutionsUniversity of Cambridge
Doctoral advisorJohn Edensor Littlewood

Hallard Thomas Croft (15 April 1936 – 15 September 2025) was an English mathematician.[1]

Life and career

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Born in Bromley, he was educated at City of London School[2] and earned a PhD from the University of Cambridge in 1961, under John Edensor Littlewood's supervision.[3] A fellow of Peterhouse, Cambridge, from 1963 to 2003,[2] in 1967 he invented a geometric shape called Croft's Tortoise and in 1991 he co-authored Unsolved Problems in Geometry with Kenneth Falconer and Richard K. Guy.[4]

Croft clashed with Hugh Trevor-Roper after the latter became Master of Peterhouse in 1980 when Croft was Director of Studies in mathematics and Senior Fellow;[2][5] Croft's conservatism led him to deeply dislike Trevor-Roper, and the upshot was that he was re-elected as a Fellow in 1983 without his seniority. Friends suggested that Trevor-Roper disliked Croft because of his homosexuality.[2][5]

References

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  2. ^ a b c d Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
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  4. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
  5. ^ a b Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).