Louis Necker

Louis Necker, called de Germany (31 August 1730, Geneva – 31 July 1804, Cologny) was an 18th-century Swiss mathematician.

The elder brother of the statesman Jacques Necker, Louis Necker studied mathematics at the Academy of Geneva. He finished his studies in philosophy with a thesis on electricity (1747), then graduated in law (1751). He later was appointed governor of the princes of Nassau and de Lippe-Detmold during their stay in Geneva and managed a boarding school for young English held by his father Charles Frederick, lawyer and professor of law at the Geneva Academy.

In 1752 he purchased Jean Jallabert ()'s physics laboratory and in 1757 acceded the chair of mathematics and the honorary chair of Experimental Physics of the Academy of Geneva. In 1761 he was however forced to resign after a scandal of a private nature (Vernes-Necker case) and took refuge in Paris, where he joined the Girardot and Haller bankers in the Girardot Bank (). He also was a correspondent of the Académie royale des sciences from 1756 to 1767.

He founded a trading house in Marseille when, as a result of changes caused by the French Revolution, he thought it prudent to return to his homeland in 1791. The disgrace of his younger brother, Jacques contributed especially to this decision.

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