Hallard Croft
Hallard Croft | |
|---|---|
| Born | April 15, 1936 Bromley, England |
| Died | September 15, 2025 (aged 89) |
| Alma mater | Peterhouse College, Cambridge |
| Scientific career | |
| Fields | Mathematics |
| Institutions | University of Cambridge |
| Doctoral advisor | John Edensor Littlewood |
Hallard Croft (April 15, 1936 – September 15, 2025) was an English mathematician.[1] Born in Bromley, he earned a PhD from the University of Cambridge in 1961, under John Edensor Littlewood's supervision.[2] A fellow of Peterhouse, Cambridge, he co-authored Unsolved Problems in Geometry with Kenneth Falconer and Richard K. Guy in 1991, and he invented a geometric shape called Croft's Tortoise. He clashed with Hugh Trevor-Roper, in part due to his conservatism and homosexuality.[3]
References
[edit]- ^ "Obituary Notices". Cambridge University Reporter. September 24, 2025. Retrieved November 18, 2025.
- ^ "Hallard T. Croft". Mathematics Genealogy Project. Retrieved November 18, 2025.
- ^ "Hallard Croft obituary: Mathematician in Cambridge feud". The Times. November 18, 2025. Retrieved November 18, 2025.
Trevor-Roper, who felt increasingly that his authority as master was being challenged by Croft and his allies, refused to renew his fellowship. Croft's friends suggested this action was motivated, in part at least, by hostility towards his homosexuality.
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