Thomas Bond Sprague
British actuary (1830–1920)
Thomas Bond Sprague FRSE FFA FIA LLD (29 March 1830 – 29 November 1920) was a British actuary, barrister and mathematician who was the only person to have been President of both the Institute of Actuaries (1882–1886) in London and the Faculty of Actuaries (1894–1896) in Edinburgh, prior to their merger in 2010.
Life
Sprague was born in London the son of Thomas Sprague, a wholesale stationer. He attended Tarvin Hall School near Chester.
Sprague was an undergraduate at St John's College, Cambridge, where he was elected to a fellowship following his ranking as Senior Wrangler in the Cambridge Mathematical Tripos of 1853. He was awarded the Smith's Prize of Cambridge University in the same year. After serving as the actuary to the Equity and Law life insurance company (1861–1873), he became chief executive (1873–1900) of the Scottish Equitable Life Assurance Society in Edinburgh.
In 1874 he was elected a Fellow of the Royal Society of Edinburgh. His proposers were David Smith, Samuel Raleigh, Philip Kelland, and Peter Guthrie Tait.
He retired at age 70. He lived at 29 Buckingham Terrace in Edinburgh's West End.
The public source identifies “Thomas Bond Sprague” as british actuary (1830–1920). This brief keeps that definition visible, then builds a research path around Thomas, Bond and Sprague.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Feb 19, 2026. The linked authority identifier is Q7787739. VIAF identifies the subject as 3779309. The Library of Congress control number is n80109352. 2 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1830, 1920, 1882 and 1886.
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This entry incorporates text from “Thomas Bond Sprague” 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.