Edward Mann Langley (22 January 1851 – 9 June 1933) was a British mathematician, author of mathematical textbooks and founder of the
Mathematical Gazette. He created the mathematical problem known as
Langley’s Adventitious Angles
Langley’s Adventitious Angles is a puzzle in which one must infer an angle in a geometric diagram from other given angles. It was posed by Edward Mann Langley in ''The Mathematical Gazette'' in 1922..
The problem
In its original form the probl ...
.
Biography
Langley was born in
Buckden on 22 January 1851. He was educated at
Bedford Modern School, the
University of London
The University of London (UoL; abbreviated as Lond or more rarely Londin in post-nominals) is a federal public research university located in London, England, United Kingdom. The university was established by royal charter in 1836 as a degree ...
and
Trinity College, Cambridge
Trinity College is a constituent college of the University of Cambridge. Founded in 1546 by Henry VIII, King Henry VIII, Trinity is one of the largest Cambridge colleges, with the largest financial endowment of any college at either Cambridge ...
[''Cambridge University Alumni, 1261-1900''] where he was eleventh
Wrangler (1878). After
Cambridge
Cambridge ( ) is a university city and the county town in Cambridgeshire, England. It is located on the River Cam approximately north of London. As of the 2021 United Kingdom census, the population of Cambridge was 145,700. Cambridge bec ...
, Langley taught mathematics at
Bedford Modern School (1878-1918) where he wrote numerous mathematical text books and his pupils included the famous future mathematician
Eric Temple Bell.
[''The Mathematical Gazette'', October 1933] Langley became Secretary of the
Mathematical Association (1885-1893), founded the
Mathematical Gazette (1894) and became its editor (1894–95).
In addition to mathematics, EM Langley was a notable botanist and a cultivated blackberry was named Edward Langley in his honour.
Langley died in
Bedford
Bedford is a market town in Bedfordshire, England. At the 2011 Census, the population of the Bedford built-up area (including Biddenham and Kempston) was 106,940, making it the second-largest settlement in Bedfordshire, behind Luton, whilst ...
on 9 June 1933.
His former
Bedford Modern School pupil, the mathematician
Eric Temple Bell, contributed to his obituary in the
Mathematical Gazette stating 'Every detail of his vigorous, magnetic personality is as vivid today as it was on the afternoon I first saw him'.
Selected works
*The Harpur Euclid : an edition of Euclid's elements revised in accordance with the reports of the Cambridge Board of Mathematical Studies and the Oxford Board of the Faculty of Natural Science / by Edward M. Langley and W. Seys Phillips. Books I - IV. London ; New York ; Bombay : Longman's, Green, and Co., 1896.
*A treatise on computation. An account of the chief methods for contracting and abbreviating arithmetical calculations. Published London and New York, by Longmans Green & Co, 1910
References
External links
*
{{DEFAULTSORT:Langley, Edward Mann
1851 births
1933 deaths
People educated at Bedford Modern School
Alumni of Trinity College, Cambridge
Alumni of the University of London
19th-century English mathematicians
People from Buckden, Cambridgeshire