Dienstag, 1. September 2009

"Leonhard Euler", my stamp for the Swiss Post

Two years ago I have created the Leonhard Euler stamp for the Post of
Switzerland. Euler was an mathematical genius, born in Basel, 15. April 1707.
Most of his lifetime he has spend in St.Petersburg in Russia.
Read his very interesting bio here.
Copyright by Die Schweizerische Post/Post of Switzerland