Jan Baptist van Helmont died on December 30, 1644 at the age of 67.
Jan Baptist van Helmont was born on January 12, 1577 and died on December 30, 1644. Jan Baptist van Helmont would have been 67 years old at the time of death or 438 years old today.
We do not know how he died or even how old he was when he died. He died in 1441 but we don't know when he was born. It is likely that he was born sometime between 1390 and 1400.
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