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Pieter van Musschenbroek

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Pieter van Musschenbroek
1741 portrait of Pieter van Musschenbroek
Born(1692-03-14)14 March 1692
Leiden, Dutch Republic
Died19 September 1761(1761-09-19) (aged 69)
Leiden, Dutch Republic
NationalityDutch
Alma materLeiden University
Known forLeyden jar, Tribometer, Atmometer
Scientific career
FieldsPhysics, mathematics, philosophy, medicine, astronomy
Doctoral advisorWolferd Senguerd
Herman Boerhaave
Notable studentsAndreas Cunaeus

Pieter van Musschenbroek (14 March 1692 – 19 September 1761) was a Dutch scientist. He was a professor in Duisburg, Utrecht, and Leiden, where he held positions in mathematics, philosophy, medicine, and astronomy. He is credited with the invention of the first capacitor in 1746: the Leyden jar. He performed pioneering work on the buckling of compressed struts. Musschenbroek was also one of the first scientists (1729) to provide detailed descriptions of testing machines for tension, compression, and flexure testing.[1][2] An early example of a problem in dynamic plasticity was described in the 1739 paper (in the form of the penetration of butter by a wooden stick subjected to impact by a wooden sphere).

Early life and studies

Pieter van Musschenbroek was born on 14 March 1692 in Leiden, Holland, Dutch Republic. His father was Johannes van Musschenbroek and his mother was Margaretha van Straaten. The Van Musschenbroeks, originally from Flanders, lived in the city of Leiden since circa 1600.[3] His father was an instrument maker, who made scientific instruments such as air pumps, microscopes, and telescopes.[4]

Van Musschenbroek attended Latin school until 1708, where he studied Greek, Latin, French, English, High German, Italian, and Spanish. He studied medicine at Leiden University and received his doctorate in 1715.[5] He also attended lectures by John Theophilus Desaguliers and Isaac Newton in London. He finished his study in philosophy in 1719.[6]

Musschenbroek belonged to the tradition of Dutch thinkers who popularized the ontological argument of God's design.[7] He is author of Oratio de sapientia divina (Prayer of Divine Wisdom. 1744).

Academic career

Duisburg

In 1719, he became professor of mathematics and philosophy at the University of Duisburg. In 1721, he also became professor of medicine.[6]

Utrecht

In 1723, he left his posts in Duisburg and became professor at the University of Utrecht. In 1726 he also became professor in astronomy.[8] Musschenbroek's Elementa Physica (1726) played an important part in the transmission of Isaac Newton's ideas in physics to Europe.[6] In November 1734 he was elected a Fellow of the Royal Society.[9]

Leiden

An early 20th-century illustration of a Leyden jar.

In 1739, he returned to Leiden, where he succeeded Jacobus Wittichius[10] as professor.[6]

Already during his studies at Leiden University Van Musschenbroek became interested in electrostatics. At that time, transient electrical energy could be generated by friction machines but there was no way to store it. Musschenbroek and his student Andreas Cunaeus discovered that the energy could be stored, in work that also involved Jean-Nicolas-Sébastien Allamand as collaborator.[11] The apparatus was a glass jar filled with water into which a brass rod had been placed; and the stored energy could be released only by completing an external circuit between the brass rod and another conductor, originally a hand, placed in contact with the outside of the jar. Van Musschenbroek communicated this discovery to René Réaumur in January 1746, and it was Abbé Nollet, the translator of Musschenbroek's letter from Latin, who named the invention the 'Leyden jar'.[12]

Soon afterwards, it transpired that a German scientist, Ewald von Kleist, had independently constructed a similar device in late 1745, shortly before Musschenbroek.[13]

In 1754, he became an honorary professor at the Imperial Academy of Science in Saint Petersburg.[6] He was also elected a foreign member of the Royal Swedish Academy of Sciences in 1747.

Van Musschenbroek died on 19 September 1761 in Leiden.[6]

Bibliography

  • Elementa Physica (1726)[6]
  • Dissertationes physicae experimentalis et geometricae de magnete (1729)[6]
  • Tentamina experimentorum naturalium in Accademia del Cimento (1731)[6]
  • Institutiones physicae (1734)[6]
  • Beginsels der Natuurkunde, Beschreeven ten dienste der Landgenooten, door Petrus van Musschenbroek, Waar by gevoegd is eene beschryving Der nieuwe en onlangs uitgevonden Luchtpompen, met haar gebruik tot veel proefnemingen (1736 / 1739)[14]
  • Aeris praestantia in humoribus corporis humani (1739)[6]
  • Oratio de sapientia divina[15] (1744)
  • Institutiones logicae (1764)[6]

References

  1. ^ van Musschenbroek, P. (1739). Essai de Physique, Vol. 1 (translated by P.Massuet). Leyden.
  2. ^ Bell, James F. (1971), "The experimental foundations of solid mechanics", in Truesdell, Clifford A. (ed.), Handbuch der Physik, vol. VI a/1, Berlin: Springer Verlag
  3. ^ "van Musschenbroek Foundation". musschenbroek.nl.
  4. ^ "The Institute of Chemistry - The Hebrew University of Jerusalem". huji.ac.il.
  5. ^ Schuurman, Paul. Ideas, Mental Faculties, and Method: The Logic of Ideas of Descartes and Locke and its reception in the Dutch Republic, 1630-1750. Brill.
  6. ^ a b c d e f g h i j k l "van Musschenbroek Foundation". musschenbroek.nl.
  7. ^ David C. Lindberg, Ronald L. Numbers. God and Nature: Historical Essays on the Encounter Between Christianity and Science. University of California Press. p. 263
  8. ^ van der Aa on dbnl.
  9. ^ http://www.mordaunt.me.uk/pdf/Royal%20Society.pdf
  10. ^ "Van Stevin tot Lorentz · dbnl". dbnl.org.
  11. ^ Wiep van Bunge et al. (editors), The Dictionary of Seventeenth and Eighteenth-Century Dutch Philosophers (2003), Thoemmes Press (two volumes), article Allamand, Jean Nicolas Sébastien, p. 5–6.
  12. ^ Maver, William Jr.: "Electricity, its History and Progress", The Encyclopedia Americana; a library of universal knowledge, vol. X, pp. 172ff. (1918). New York: Encyclopedia Americana Corp.
  13. ^ Houston, E. J.: Electricity in Every-day Life, vol. I, p. 72f; P. F. Collier & Son, New York 1905. URL last accessed 2010-02-17.
  14. ^ "Short Title Catalogue Netherlands (STCN)". pica.nl.
  15. ^ "Petri Van Musschenbroek Oratio de sapientia divina habita A.D. VIII ... - Pieter van Musschenbroek - Google Books". google.com.mx.
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