More by Leonhard Euler This article was originally published with the title “ Leonhard Euler and the Koenigsberg Bridges ” in Scientific American Magazine Vol. 189 No. 1 ( July 1953 ) , p. 66 ...

The brilliant Swiss mathematician Leonhard Euler had cut his teeth on it and failed to solve it. Now Apéry, a French mathematician who was relatively unknown and in his 60s at the time ...

Swiss polymath Leonhard Euler later adopted the single-letter form, beginning with his 1727 Essay Explaining the Properties ...