Johann Leonhard Rost was born in 1688.
Johann Leonhard Rost died in 1727.
Johann Leonhard Pfaff was born in 1775.
Johann Leonhard Hug was born in 1756.
Johann Leonhard Frisch was born in 1666.
Johann Leonhard Dober was born in 1706.
Johann Leonhard Pfaff died in 1848.
Johann Leonhard Hug died in 1846.
Johann Leonhard Frisch died in 1743.
Johann Leonhard Dober died in 1766.
Johann Leonhard has written: 'An account of the Grisons'
Leonhard Euler was born on April 15, 1707.
Christina Rost was born in 1952.