| Authorised form of name | Pratt; John Henry (1809 - 1871) |
| Dates | 1809 - 1871 |
| Nationality | British |
| Place of birth | London, England |
| Date of birth | 04 June 1809 |
| Place of death | Ghazipur, India |
| Date of death | 28 December 1871 |
| Occupation | Clergyman, Church of England |
| Research field | Mathematics |
| Activity | Education:
Oakham School; Caius College, Cambridge. BA (1833), MA (1836)
Career:
Fellow of Caius College, Cambridge (1836); ordained deacon (1836), priest (1837); Chaplain, HEIC (1838); went to India; Chaplain to the Bishop of Calcutta (1846); Archdeacon of Calcutta (1850-1871); published works including 'Mathematical principles of mechanical philosophy' (1836) and 'Scripture and science not at variance' (1856); died of cholera; Pratt Memorial School, Calcutta founded in his memory (1 November 1876)
|
| Membership category | Fellow |
| Date of election | 07/06/1866 |
| Relationships | Son of Josiah Pratt, Evangelical Divine; married (06 March 1854) Hannah Maria, daughter of G F Brown, of the Bengal Civil Service |
| Sources | Sources:
Bulloch's Roll; DSB; Venn
Authority:
Birth date from DSB.
References:
Sir Alan Cook, 'Science from India' in NR 1998 vol 52 pp 1-2
R W Home, 'The Royal Society and the Empire: the colonial and Commonwealth Fellowship. Part 2. After 1847' in NR 2003 vol 57 pp 47-84 |
| Virtual International Authority File | http://viaf.org/viaf/27415473 |
| Royal Society code | NA8010 |
| Reference number | Title | Date |
| MM/11/79 | 'On the Curvature of the Indian Arc of Meridian', by JH Pratt | 1859 |
| RR/4/205 | Referee's report by George Biddell Airy, on a paper 'On the Indian arc of meridian' by John Henry Pratt | 11 December 1860 |
| RR/2/194 | Referee's report by William Hopkins, on a paper 'On the attraction of the Himalaya Mountains, and of the elevated regions beyond them, upon the plumb-line in India' by John Henry Pratt | 31 January 1855 |
| EC/1866/10 | Pratt, John Henry: certificate of election to the Royal Society | |
| RR/2/193 | Referee's report by George Biddell Airy, on a paper 'On the attraction of the Himalaya Mountains, and of the elevated regions beyond them, upon the plumb-line in India' by John Henry Pratt | 26 December 1854 |
| RR/3/219 | Referee's report by William Hopkins, on a paper 'On the effect of local attraction upon the plumb-line at stations on the English Arc of the Meridian, between Dunnose and Burleigh Moor; and a method computing its amount' by John Henry Pratt | 22 August 1855 |
| PT/50/2/4 | Plate, method of calculation of attraction of earth's superficial crust by John Henry Pratt | 12 July 1854 |
| PT/50/2/1 | Manuscript, 'On the attraction of the Himmalaya [Himalaya] Mountains, and of the elevated regions beyond them, upon the plumb-line of India' by John Henry Pratt | 12 July 1854 |
| PT/50/2/6 | Plate, attraction over stations in Kaliana, Kalianpur, and Damargida by John Henry Pratt | 12 July 1854 |
| PT/50/2/5 | Plate, deflection on arc intervening between Kaliana and Damargida by John Henry Pratt | 12 July 1854 |
| PT/50/2/2 | Plate, diagram of error on plumb-line by John Henry Pratt | 12 July 1854 |
| PT/50/2/3 | Plate, method of calculation of mountain attraction by John Henry Pratt | 12 July 1854 |
| PT/52/3/3 | Plate, chart illustrating local attraction by John Henry Pratt | 23 September 1854 |
| PT/52/3/2 | Plate, diagram of local attraction over China and Central Asia by John Henry Pratt | 23 September 1854 |
| PT/62/4 | Paper, 'On the Indian arc of meridian' by [John Henry Pratt] | 19 July 1860 |
| RR/4/206 | Second referee's report by George Biddell Airy, on a paper 'On the Indian arc of meridian' by John Henry Pratt | 4 June 1861 |
| RR/4/203 | Referee's report by William Hopkins, on a paper 'On the attraction of the Himalaya Mountains, and of the elevated regions beyond them, upon the plumb-line in India' by John Henry Pratt | [1859] |
| PT/62/4/2 | Plate, diagram of curvature of Indian arc by [John Henry Pratt] | 19 July 1860 |
| PT/62/i | Letter, regarding missing papers from Chas [Charles] E [Gyde?] to W White | 16 April 1862 |
| PT/62/4/1 | Manuscript, 'On the Indian arc of meridian' by [John Henry Pratt] | 19 July 1860 |
| RR/4/201 | Referee's report by William Hopkins, on a paper 'On the influence of the ocean on the plumb-line in India' by John Henry Pratt | 12 April 1859 |
| PT/52/3 | Paper, 'On the effect of local attraction upon the plumb-line at stations on the English arc of the meridian between Dunnose and Burleigh Moor; and a method of computing its amount' by Archdeacon [John Henry] Pratt | 23 September 1854 |
| PT/52/3/1 | Manuscript, 'On the effect of local attraction upon the plumb-line at stations on the English arc of the meridian between Dunnose and Burleigh Moor; and a method of computing its amount' by Archdeacon [John Henry] Pratt | 23 September 1854 |
| RR/4/204 | Referee's report by George Biddell Airy, on a paper 'On the curvature of the Indian arc' by John Henry Pratt | 20 December 1859 |
| RR/7/48 | Referee's report by George Biddell Airy, on a paper 'On the constitution of the solid crust of the Earth' by Archdeacon John Henry Pratt | 27 December 1870 |
| PT/50/2 | Paper, 'On the attraction of the Himmalaya [Himalaya] Mountains, and of the elevated regions beyond them, upon the plumb-line of India' by John Henry Pratt | 12 July 1854 |
| RR/3/220 | Referee's report by George Biddell Airy, on a paper 'On the effect of local attraction upon the plumb-line at stations on the English Arc of the Meridian, between Dunnose and Burleigh Moor; and a method computing its amount' by John Henry Pratt | 18 October 1855 |
| RR/3/221 | Referee's report by George Biddell Airy, on a paper 'On the deflection of the plumb-line in India, caused by the attraction of the Himalaya mountains and of the elevated regions beyond; and its modification by the compensating effect of a deficiency of matter below the mountain mass' by John Henry Pratt | 21 December 1858 |
| RR/4/202 | Referee's report by George Biddell Airy, on a paper 'On the influence of the ocean on the plumb-line in India' by John Henry Pratt | 4 March 1859 |
| RR/5/205 | Referee's report by George Biddell Airy, on a paper 'On the degree of uncertainty which local attraction, if not allowed for, occasions in the map of a country, and in the mean figure of the Earth as determined by geodesy: a method of obtaining the mean figure free from ambiguity, from a comparison of the Anglo-Gallic, Russian, and Indian arcs: and speculations on the constitution of the Earth’s crust' by John Henry Pratt | 8 April 1864 |