Leonhard Seppala died in 1967.
mathematician
Leonhard Euler was born on April 15, 1707 and died on September 18, 1783. Leonhard Euler would have been 76 years old at the time of death or 308 years old today.
mostly because of his history
Leonhard Euler was born on April 15, 1707.
Leonhard Lapin has written: 'Leonhard Lapin'
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Mark Leonhard has written: 'Leonhard' -- subject(s): Exhibitions, Portrait photography
Karl Leonhard died in 1988.
Karl Leonhard was born in 1904.
Leonhard Schmitz was born in 1807.
Leonhard Schmitz died in 1890.
Leonhard Koeppe died in 1969.
Leonhard Koeppe was born in 1884.
Rudolf Leonhard died in 1953.
Rudolf Leonhard was born in 1889.
Leonhard Kleber died in 1556.