Image credits

Images from Wikimedia Commons, all in the public domain (or CC0):

Portrait of Euler: Jakob Emanuel Handmann, 1753.
Basel at 1615: Matthäus Merian.
Johann Bernoulli: Rijksmuseum (CC0).
Saint Petersburg Academy of Sciences: G. Kachalov, after M. Makhaev, 1753.
Frederick II: Antoine Pesne's studio, 1745.
Introduction to analysin infinityum, 1748.
Lettres à une princesse d'Allemagne, 1768.
Catherine the Great: Alexander Roslin.
Euler at 1778: Joseph Friedrich August Darbes.
Königsberg at 1652: Merian-Erben.
Figure of bridges: Leonhard Euler, 1736.

The images in the sections on the square root, the ages of mathematics, the number $e$ and the spring are from the collection of Euler’s Eyes. The interactive figures were made for this website.

All topics by Leonhard Euler · ← Other contributions and legacy