| Authorised form of name | Esson; William (? 1838 - 1916); astronomer and chemist |
| Dates | ? 1838 - 1916 |
| Nationality | British |
| Place of birth | Carnoustie, Angus, Scotland |
| Date of birth | 17 May 1838 or 17 May 1839 |
| Place of death | Abingdon, Oxfordshire, England |
| Date of death | 25/08/1916 |
| Occupation | astronomer and chemist |
| Research field | Astronomy |
| Mathematics |
| Chemistry |
| Activity | Education:
Cheltenham Grammar School; Inverness Academy; St John's College, Oxford. MA
Career:
Fellow of Merton College, Oxford (1860-1897); Savilian Professor of Geometry, University of Oxford (1897-1916) |
| Membership category | Fellow |
| Date of election | 03/06/1869 |
| Proposer | William Odling; Thomas Graham; Frederick Augustus Abel; Alexander William Williamson; Henry Minchin Noad; Henry Watts; Robert Bellamy Clifton; Warren De La Rue; Hugo Muller; Henry Bence Jones; Henry Wentworth Dyke Acland |
| George Bowdler Buckton; John Stenhouse; Henry Enfield Roscoe; John Tyndall; Benjamin Collins Brodie; Henry John Stephen Smith; William Vernon Harcourt; John Phillips; George Rolleston; Bartholomew Price; Charles Daubeny |
| Royal Society activity | Lectures:
Bakerian (jointly) 1895 |
| General context | Remembered for mathematics of the rate of chemical change. |
| Image | 
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| Sources | Sources:
Bulloch's Roll; DSB
Obituaries:
Proc Roy Soc Series A 1916-1917 vol 93 pp liv-lvii signed by E B E
Notes:
DSB gives birth date as '17 May 1839 [perhaps 1838]'. Henry Noad has signed the election certificate twice |
| Virtual International Authority File | http://viaf.org/viaf/106836815 |
| Royal Society code | NA6346 |
| Reference number | Title | Date |
| EC/1869/08 | Esson, William: certificate of election to the Royal Society | |
| IM/Maull/001312 | Esson, William | nd |
| NLB/11/762 | Copy letter from Herbert Rix, to Messrs Harrison & Sons | 1 October 1895 |
| NLB/11/140 | Copy letter from Herbert Rix, to the Editor of 'Nature', 29 Bedford Street, Strand | [April 1895] |
| NLB/11/216 | Copy letter from Herbert Rix, to Augustus George Vernon Harcourt, Fellow of the Royal Society | 15 May 1895 |
| NLB/11/260 | Copy letter from Herbert Rix, to Mr Collings | [May 1895] |
| NLB/11/378 | Copy letter from Herbert Rix, to Mr Collings | 18 June 1895 |
| NLB/53/524 | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Dr. [Edwin Bailey] Elliott, FRS | 24 October 1916 |
| NLB/26/596 | Copy letter from Robert William Frederick Harrison to, Professor William Esson, Fellow of the Royal Society | 27 April 1903 |
| NLB/45/719 | Copy letter from Joseph Larmor to Professor [William] Esson | 28 April 1912 |
| NLB/53/567 | Copy letter from [Sir Joseph John] Thomson, President of the Royal Society and FRS; to Mrs. Gay, The Manor House, Wickmere, Norwich | 30 October 1916 |
| RR/12/324 | Referee's report by George Downing Liveing, on the Bakerian Lecture 'On the laws connexion between the conditions of a chemical change and its amount.—III. Further researches on the reaction of hydrogen dioxide and hydrogen iodide' by Augustus George Vernon Harcourt and William Esson | 10 April 1895 |
| RR/10/44 | Referee's report by William Esson, on an untraced paper 'A geometrical interpretation of the first two periods of chemical elements' by Samuel Haughton | 2 June 1887 |
| NLB/73/316 | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [John] Drinkwater Esq., Highgate N6 | 28 May 1931 |
| IM/Maull/001313 | Esson, William | nd |
| RR/12/325 | Referee's report by Arthur Schuster, on the Bakerian Lecture 'On the laws connexion between the conditions of a chemical change and its amount.—III. Further researches on the reaction of hydrogen dioxide and hydrogen iodide' by Augustus George Vernon Harcourt and William Esson | 19 May 1895 |
| RR/12/327 | Letter from William Esson, to John William Strutt, Lord Rayleigh, regarding the Bakerian Lecture 'On the laws connexion between the conditions of a chemical change and its amount.—III. Further researches on the reaction of hydrogen dioxide and hydrogen iodide' by Augustus George Vernon Harcourt and William Esson | 24 June 1895 |
| RR/6/139 | Referee's report by John Hall Gladstone, on a paper 'On the laws of connexion between the conditions of a chemical change and its amount' by Augustus George Vernon Harcourt and William Esson | 31 January 1866 |
| RR/6/140 | Referee's report by George Gabriel Stokes, on a paper 'On the laws of connexion between the conditions of a chemical change and its amount' by Augustus George Vernon Harcourt and William Esson | 27 September 1866 |
| RR/12/326 | Letter from Augustus George Vernon Harcourt, to John William Strutt, 3rd Baron Rayleigh, regarding the Bakerian Lecture 'On the laws connexion between the conditions of a chemical change and its amount.—III. Further researches on the reaction of hydrogen dioxide and hydrogen iodide' by Augustus George Vernon Harcourt and William Esson | 23 June 1895 |
| MC/27/157 | Letter from [Augustus George Vernon] Harcourt, St Clare, Ryde, Isle of Wight, to [Joseph] Larmor, [Royal Society] | 12 April 1912 |
| MC/27/156 | Letter from [Augustus] Vernon Harcourt, Runton Hill, West Runton, Norfolk, to [Joseph] Larmor, [Royal Society] | 30 April 1912 |