Charles Warrell
headmaster and writer

Charles Warrell (23 April 1889 – 26 November 1995) was an English schoolteacher and creator of the I-Spy books, a series of spotters' guides written for British children and first published in 1949. In his role as creator and publisher of the books, Warrell was known pseudonymously as Big Chief I-Spy.
Biography
Warrell was born in Farmborough, Somerset, in 1889. Having trained at Culham College, Abingdon, Oxfordshire, he became the headteacher at Higher Wych School in Cheshire, then later Pleasley Hill School, Mansfield, Nottinghamshire, during the 1940s.
Warrell married twice, first to Elizabeth Gill, with whom he had two daughters. After Gill's death, he married Marian Tucker. After retirement Warrell and his wife settled in Budleigh Salterton, Devon. As old as 93, he was still writing articles for publication in national magazines, and at 104 years old he was reportedly still phoning friends to discuss developments in education. On 26 November 1995, aged 106, Warrell died in a nursing home in Matlock, Derbyshire, where he was known to the staff as Big Chief.
I-Spy books
Warrell first devised the concept for the I-Spy books in 1948, towards the end of his teaching career.
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The entry’s evidential value lies in the named roles, institutions and publications that can be tested against primary documentation. The source revision retrieved here is dated Aug 26, 2026. The linked authority identifier is Q18575985. VIAF identifies the subject as 58613876. The Library of Congress control number is nb2008022537. 1 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1889, 1995, 1949 and 1948.
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This entry incorporates text from “Charles Warrell” 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.