Henry Power

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Henry Power (1623–1668) was an English physician and experimenter, one of the first elected Fellows of the Royal Society.

Life

He matriculated as a pensioner of Christ's College, Cambridge in 1641 and graduated B.A. in 1644.[1] He became a regular correspondent of Sir Thomas Browne, who had lived in Halifax 1633-1635 on scientific subjects. He graduated M.A. in 1648, and M.D. in 1655 (1654?). It appears that he practised his profession at Halifax for some time, but he eventually removed to New Hall, near Elland. Power was elected and admitted a fellow of the Royal Society 1 July 1663, he and Sir Justinian Isham being the first elected members.

He died at New Hall on 23 December 1668, and was buried in the church of All Saints, Wakefield, with a brass plate to his memory, with a Latin inscription, on the floor in the middle chancel.[2]

Works

His only published work is Experimental Philosophy.[3] Its three books deal respectively with microscopy and corpuscularian theory, the experiments of Torricelli and the vacuum, and refutations proposed for the works of the Jesuit Jacobus Grandamicus (Jacques Grandami, 1588–1672).[2][4]

Boyle's law

In a series of experiments with his friend Richard Towneley, Power discovered the relationship between the pressure and volume of a gas that later became known as Boyle's Law. This relationship was outlined in "Experimental Philosophy," but Boyle, after discussing the theory with Towneley and reading a pre-publication manuscript of Experimental Philosophy, cited the hypothesis as the sole work of Richard Towneley. Boyle's mention of the theory preceded the publication of "Experimental Philosophy" by one year. That, combined with Boyle's promotion of the idea and his significant status as a nobleman scientist, ensured the theory's moniker of "Boyle's Law".[5]

Notes

  1. ↑ "Power, Henry (PWR641H)". A Cambridge Alumni Database. University of Cambridge. 
  2. ↑ 2.0 2.1  "Power, Henry". Dictionary of National Biography. London: Smith, Elder & Co. 1885–1900. 
  3. ↑ Experimental Philosophy, in three Books: containing New Experiments, Microsopical, Mercurial, Magnetical. With some Deductions, and Probable Hypotheses, raised from them, in Avouchment and Illustration of the now famous Atomical Hypothesis, London, 1664, 4to (actually published in 1663). The preface is dated "from New Hall, near Hallifax, 1 Aug. 1661."
  4. ↑ Andrew Pyle (editor), Dictionary of Seventeenth Century British Philosophers (2000), article on Power, pp. 667-670.
  5. ↑ Webster, Charles (1965), Archives for History of Exact Sciences, Volume 2, Number 6, Springer-Verlag, p. 441-502
Attribution

 This article incorporates text from a publication now in the public domain: "Power, Henry". Dictionary of National Biography. London: Smith, Elder & Co. 1885–1900. 

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