| Authorised form of name | Williams; Charles Greville Hanson (1829 - 1910) | 
| Other forms of name | Charles Hanson Greville | 
| Dates | 1829 - 1910 | 
| Nationality | British | 
| Place of birth | Cheltenham, Gloucester, England | 
| Date of birth | 22 September 1829 | 
| Place of death | Bay Cottage, Smallfields, Horley, Surrey | 
| Date of death | 15/06/1910 | 
| DatesAndPlaces | Burial: Streatham
 | 
| Occupation | Chemist | 
| Activity | Career: Trained as a chemist and worked in London, Glasgow and Edinburgh; Assistant to W H Perkin (FRS 1866) at Greenford Green; Partner, Star Chemical Works, Brentford; Chemist and Photometric Supervisor to the Gas, Light and Coke Company (1877-1901); researched dyes and coal gas; discovered cyanine, or quinoline blue
 Memberships:
 FCS (1862)
 
 | 
| Membership category | Fellow | 
| Date of election | 05/06/1862 | 
| Relationships | Son of S Hanson Williams, Solicitor of Cheltenham, and his wife Sophia, daughter of Thomas Billings; married (1852) Henrietta, daughter of Henry Bosher of Taunton | 
| Source | Sources: Bulloch's Roll; DNB
 Obituaries:
 Proc Roy Soc Series A 1911 vol 85 pp xvii-xx signed by A H C
 | 
| Virtual International Authority File | http://viaf.org/viaf/12356078 | 
| Code | NA6156 | 
| RefNo | Title | Date | 
| IM/Maull/004926 | Williams, Charles Greville Hanson | nd | 
| NLB/3/814 | Copy letter from Theodore E James, to Messrs Harrison & Sons | 16 October 1889 | 
| NLB/6/1022 | Copy letter from an unknown correspondent, to Messrs Harrison & Sons | 5 October 1892 | 
| NLB/42/478 | Copy letter from Robert William Frederick Harrison to Messrs Harrison & Sons | 17 June 1910 | 
| PT/59/6 | Paper, 'On some of the products of the destructive distillation of boghead coal. Part II' by C [Charles] Greville [Hanson] Williams | [1857] | 
| RR/3/289 | Referee's report by Edward Frankland, on a paper 'On the constitution of the essential oil of rue' by Charles Greville Williams | 13 April 1858 | 
| RR/5/278 | Referee's report by Edward Frankland, on a paper 'Researches on isomeric alkaloids' by Charles Greville Hanson Williams | 27 June 1864 | 
| RR/3/287 | Referee's report by Edward Frankland, on a paper 'On some of the products of the destructive distillation of boghead coal - Part II' by Charles Greville Williams | 12 February 1858 | 
| EC/1862/16 | Williams, Charles Greville Hanson: certificate of election to the Royal Society |  | 
| PT/60/15 | Paper, 'On isoprene and caoutchine' by C [Charles] Greville [Hanson] Williams | [1860] | 
| RR/3/288 | Referee's report by August Wilhelm von Hofmann, on a paper 'On some of the products of the destructive distillation of boghead coal - Part II' by Charles Greville Williams | 22 February 1858 | 
| RR/3/280 | Referee's report by August Wilhelm von Hofmann, on a paper 'On some of the products of the destructive distillation of boghead coal' by Charles Greville Williams | 1 June 1857 | 
| AP/38/23 | Paper, 'On some of the products of the distillation of boghead coal [torbanite] at low temperatures' by C [Charles] Greville [Hanson] Williams | 1856 | 
| AP/46/7 | Unpublished paper, 'Researches on isomeric alkaloids' by C [Charles] Greville Williams | 1864 | 
| RR/5/279 | Referee's report by John Hall Gladstone, on a paper 'Researches on isomeric alkaloids' by Charles Greville Hanson Williams | 21 July 1864 | 
| PP/1/12 | Paper, 'On β-lutidine' by C [Charles] Greville Williams | 1881 | 
| PT/58/7 | Paper, 'On some of the products of the destructive distillation of boghead coal. Part I' by C [Charles] Greville [Hanson] Williams | [1856] | 
| RR/4/278 | Referee's report by Edward Frankland, on a paper 'On isoprene and caoutchine' by Charles Greville Williams | 11 December 1860 | 
| MC/25/139 | Letter from [Raphael] Meldola, 6 Brunswick Square, W. C, to [Robert] Harrison, [Royal Society] | 24 June 1910 | 
| MC/26/49 | Letter from Arthur [William] Crossley, Chemical Society, Burlington House, London, W, to The Secretaries, The Royal Society, Burlington House, W | 20 February 1911 |