Record

Authorised form of namePratt; John Henry (1809 - 1871)
Dates1809 - 1871
NationalityBritish
Place of birthLondon, England
Date of birth04 June 1809
Place of deathGhazipur, India
Date of death28 December 1871
OccupationClergyman, Church of England
Research fieldMathematics
ActivityEducation:
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 categoryFellow
Date of election07/06/1866
RelationshipsSon of Josiah Pratt, Evangelical Divine; married (06 March 1854) Hannah Maria, daughter of G F Brown, of the Bengal Civil Service
SourcesSources:
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 Filehttp://viaf.org/viaf/27415473
Royal Society codeNA8010
Archives associated with this Fellow
Reference numberTitleDate
MM/11/79'On the Curvature of the Indian Arc of Meridian', by JH Pratt1859
RR/3/221Referee'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 Pratt21 December 1858
RR/2/193Referee'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 Pratt26 December 1854
RR/2/194Referee'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 Pratt31 January 1855
RR/4/204Referee's report by George Biddell Airy, on a paper 'On the curvature of the Indian arc' by John Henry Pratt20 December 1859
RR/4/203Referee'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]
RR/4/202Referee's report by George Biddell Airy, on a paper 'On the influence of the ocean on the plumb-line in India' by John Henry Pratt4 March 1859
RR/4/206Second referee's report by George Biddell Airy, on a paper 'On the Indian arc of meridian' by John Henry Pratt4 June 1861
RR/4/205Referee's report by George Biddell Airy, on a paper 'On the Indian arc of meridian' by John Henry Pratt11 December 1860
RR/7/48Referee's report by George Biddell Airy, on a paper 'On the constitution of the solid crust of the Earth' by Archdeacon John Henry Pratt27 December 1870
RR/3/219Referee'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 Pratt22 August 1855
RR/4/201Referee's report by William Hopkins, on a paper 'On the influence of the ocean on the plumb-line in India' by John Henry Pratt12 April 1859
PT/50/2Paper, 'On the attraction of the Himmalaya [Himalaya] Mountains, and of the elevated regions beyond them, upon the plumb-line of India' by John Henry Pratt12 July 1854
PT/62/4Paper, 'On the Indian arc of meridian' by [John Henry Pratt]19 July 1860
PT/52/3Paper, '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] Pratt23 September 1854
EC/1866/10Pratt, John Henry: certificate of election to the Royal Society
RR/3/220Referee'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 Pratt18 October 1855
RR/5/205Referee'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 Pratt8 April 1864
PT/50/2/1Manuscript, 'On the attraction of the Himmalaya [Himalaya] Mountains, and of the elevated regions beyond them, upon the plumb-line of India' by John Henry Pratt12 July 1854
PT/50/2/2Plate, diagram of error on plumb-line by John Henry Pratt12 July 1854
PT/50/2/3Plate, method of calculation of mountain attraction by John Henry Pratt12 July 1854
PT/50/2/4Plate, method of calculation of attraction of earth's superficial crust by John Henry Pratt12 July 1854
PT/50/2/5Plate, deflection on arc intervening between Kaliana and Damargida by John Henry Pratt12 July 1854
PT/50/2/6Plate, attraction over stations in Kaliana, Kalianpur, and Damargida by John Henry Pratt12 July 1854
PT/52/3/1Manuscript, '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] Pratt23 September 1854
PT/52/3/2Plate, diagram of local attraction over China and Central Asia by John Henry Pratt23 September 1854
PT/52/3/3Plate, chart illustrating local attraction by John Henry Pratt23 September 1854
PT/62/iLetter, regarding missing papers from Chas [Charles] E [Gyde?] to W White16 April 1862
PT/62/4/1Manuscript, 'On the Indian arc of meridian' by [John Henry Pratt]19 July 1860
PT/62/4/2Plate, diagram of curvature of Indian arc by [John Henry Pratt]19 July 1860
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