Thomas Halliday (writer)
British palaeobiologist and author

Thomas John Dixon Halliday is a British palaeobiologist and author.
Biography
Halliday earned a degree in natural sciences (zoology) from Pembroke College, Cambridge, followed by a master's in palaeobiology from the University of Bristol, and a PhD in palaeobiology from University College London.
Halliday was awarded the Linnean Society's John C Marsden Medal for the best doctorate in biological studies.
In 2022, Halliday published Otherlands: A World In The Making about the history of life on Earth. In 2022, it was shortlisted for the James Cropper Wainwright Prize for Nature Writing, and longlisted for the Baillie Gifford Prize for Non-Fiction.
The Sunday Times noted its "Sixteen superbly vivid snapshots of our prehistoric world". New Scientist called it a "A fascinating journey through Earth's history".
Halliday is an international croquet player, first selected to represent Scotland in the Golf Croquet World Team Championships (Tier 2) in 2021.. At club level, he plays for Enfield Croquet Club.
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Chronology provides the most reliable spine for this subject; interpretation should follow only after identities and dates are secure. The source revision retrieved here is dated Aug 20, 2026. The linked authority identifier is Q115917466. VIAF identifies the subject as 2469165573981437800004. 2 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2022 and 2021.
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This entry incorporates text from “Thomas Halliday (writer)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.