Ludwig Heinrich Freiherr[1] von Nicolay (Russian: Андре́й Льво́вич Никола́и, romanized: Andréj L'vovič Nikolái; 25 December 1737, in Strasbourg – 18 November [O.S.
Prince Dmitry Gallitsyn employed Nicolay as his secretary in Vienna and Paris where he came to know Voltaire, Diderot, d'Alembert and other intellectuals of the Enlightenment.
In 1769 Nicolay was invited to the Russian Empire to be a teacher of logic for the future Emperor Paul I of Russia.
When Paul became emperor, he appointed Nicolay to run the St. Petersburg Academy of Sciences (15 April 1798 – 2 June 1803).
[2] In 1803 Baron von Nicolay settled into retirement at his estate Monrepos north of Vyborg.