Johann Schweigger

Johann Salomo Christoph Schweigger (8 April 1779 – 6 September 1857) was a German chemist, physicist, and professor of mathematics born in Erlangen.

J.S.C.Schweigger was the son of Friedrich Christian Lorenz Schweigger, professor of theologie in Erlangen (1786 until his death in 1802). He studied philosophy in Erlangen. His PhD involved the

In 1820 he built the first sensitive galvanometer, naming it after Luigi Galvani. He created this instrument, acceptable for actual measurement as well as detection of small amounts of electric current, by wrapping a coil of wire around a graduated compass. The instrument was initially called a multiplier.^[2]

He is the father of Karl Ernst Theodor Schweigger and adopted one of his students Franz Wilhelm Schweigger-Seidel as his own son.

Written works

• Einleitung in die Mythologie auf dem Standpunkte der Naturwissenschaft, Halle (1836) - Introduction to mythology, from the standpoint of natural science.
• Über naturwissenschaftliche Mysterien in ihrem Verhältnis zur Litteratur des Altertums, Halle (1843) - Involving scientific mysteries in their relation to the literature of antiquity.
• Über das Elektron der Alten, Greifswald (1848) - On the electron of the past.
• Über die stöchiometrischen Reihen, Halle (1853) - On the stoichiometry series.^[3]

References

• J. S. C. Schweigger: His Romanticism and His Crystal Electrical Theory of Matter by H. A. M. Snelders (1971)

External links

• Johann Schweigger at the Mathematics Genealogy Project
• Karl Ernst Hermann Krause (1891), "Schweigger, Johann Salomo Christoph", Allgemeine Deutsche Biographie (in German), vol. 33, Leipzig: Duncker & Humblot, pp. 335–339 (German)