Leonhard Thurneysser was born on 1531-07-22.
Leonhard Seppala was born in 1877.
Leonhard Euler was born on April 15, 1707 in Basel Switzerland. He died on Sept. 18, 1783 in St. Petersburg, Russia.
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Leonhard ''Euler''
Leonhard Euler
Leonhard Thurneysser died in 1595.
Leonhard Schmitz was born in 1807.
Leonhard Hutter was born in 1563.
Karl Leonhard was born in 1904.
Leonhard Koeppe was born in 1884.
Leonhard Lapin was born in 1947.
Leonhard Päminger was born in 1495.
Leonhard of Gorizia was born in 1440.
Leonhard Dientzenhofer was born in 1660.
Leonhard Tietz was born in 1849.
Leonhard Seppala was born in 1877.
Leonhard Stock was born in 1958.