Julius Schnorr von Carolsfeld was born on March 26, 1794 and died on May 24, 1872. Julius Schnorr von Carolsfeld would have been 78 years old at the time of death or 218 years old today.
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Julius Robert von Mayer was born on November 25, 1814 and died on March 20, 1878. Julius Robert von Mayer would have been 63 years old at the time of death or 197 years old today.