Johann Friedrich Agricola was born on January 4, 1720 and died on December 2, 1774. Johann Friedrich Agricola would have been 54 years old at the time of death or 292 years old today.
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Johann Friedrich Pfaff was born on December 22, 1765 and died on April 21, 1825. Johann Friedrich Pfaff would have been 59 years old at the time of death or 246 years old today.
Justus Johann Friedrich Dotzauer was born on January 20, 1783 and died on March 6, 1860. Justus Johann Friedrich Dotzauer would have been 77 years old at the time of death or 229 years old today.