Leonhard Euler
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Leonhard Euler was a Swiss polymath who was active as a mathematician, physicist, astronomer, logician, geographer, music theorist and engineer. He founded the studies of graph theory and topology and
1753 portrait
1957 Soviet Union stamp commemorating the 250th birthday of Euler. The text says: 250 years from the birth of the great mathematician, academician Leonhard Euler.
Euler's grave at the Alexander Nevsky Monastery
Euler portrait on the sixth series of the 10 Franc banknote
Carl Friedrich Gauss
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Johann Carl Friedrich Gauss was a German mathematician, astronomer, geodesist, and physicist, who contributed to many fields in mathematics and science. His mathematical contributions spanned the bran
Leonhard Euler
…worked after Euler's death have recognised his importance in the field: Pierre-Simon Laplace said, "Read Euler, read Euler, he is the master of us all"; Carl Friedrich Gauss wrote: "The study of Euler's works will remain the best school for the different fields of mathematics, and nothing else can replace it." Leonhard Euler…
Portrait by Christian Albrecht Jensen, 1840 (copy from Gottlieb Biermann, 1887)
Birthplace in Brunswick (destroyed in World War II)
Gauss's home as student in Göttingen
Old Göttingen observatory, c. 1800