An iron rod through Phineas Gage's skull reshaped neuroscience
On this day · 13 September 1848
A railway foreman survived a tamping iron blasted clean through his brain, leaving a riddle about where personality lives.
On September 13, 1848, near Cavendish, Vermont, a 25-year-old railroad foreman named Phineas Gage packed gunpowder into rock with a heavy iron rod. A spark set off the charge, and the 13-pound tamping iron rocketed up through his left cheek, behind his eye, and clean out of the top of his skull, landing dozens of feet away.
Gage did not die. He stayed conscious, spoke, and reportedly told his doctor, “Here is business enough for you.” The bar had torn through his left frontal lobe.
The man who recovered, friends said, was “no longer Gage.”
The once-capable foreman became profane, impulsive, and unreliable. Physician John Harlow documented the shift, offering early evidence that the frontal lobes govern personality and self-control rather than mere movement. Long before brain scans, Gage’s wound became a landmark case in neuroscience, hinting that who we are is anchored in specific tissue we can lose.
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