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Pieter van Musschenbroek
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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 astrology. He is credited with the invention of the first capacitor in 1746: the Leyden jar.
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.
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Encyclopedia
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 astrology. He is credited with the invention of the first capacitor in 1746: the Leyden jar.
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. His father was an instrument maker, who made scientific instruments such as air pumps, microscopes, and telescopes.
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 1718. He also attended lectures by John Theophilus Desaguliers and Isaac Newton in London. And in 1719, he finished his study in philosophy.
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.
Utrecht
In 1723, he left his posts in Duisburg and became professor at the University of Utrecht. In 1732 he also became professor in astrology.
Musschenbroek's Elementa Physica (1726) played an important part in the transmission of Isaac Newton's ideas in physics to Europe.
Leiden
In 1739, he returned to Leiden, where he succeeded Willem 's Gravesande as professor.
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 a glass jar filled with water into which a brass rod had been placed; and that the energy could be released only by completing an external circuit between the brass rod and another conductor, originally his hand, placed in contact with the outside of the jar. He communicated this discovery to René Réaumur in January 1746, and it was Abbe Nollet, the translator of Musschenbroek's letter from Latin, who named the invention the 'Leyden jar'.
Soon afterwards, it transpired that a German scientist, Ewald von Kleist, had independently constructed a similar device in late 1745, shortly before Musschenbroek, but von Kleist failed to publicize his invention in time.
In 1754, he became an honorary professor at the Imperial Academy of Science in Saint Petersburg.
Van Musschenbroek died on 19 September 1761 in Leiden.
Bibliography
- Elementa Physica (1726)
- Dissertationes physicae experimentalis et geometricae de magnete (1729)
- Tentamina experimentorum naturalium in Accademia del Cimento (1731)
- Institutiones physicae (1734)
- Aeris praestantia in humoribus corporis humani (1739)
- Institutiones logicae (1764)
External links
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