John Scott Haldane
British physiologist (1860-1936) · United Kingdom · On the map · Scientists · Died at 75
John Scott Haldane was a Scottish physician physiologist and philosopher famous for his often-dangerous self-experimentation that led to many important discoveries about the human body and the nature of gases.
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He also experimented on his son, the celebrated and polymathic biologist J. B. S. Haldane, even when he was quite young. Haldane locked himself in sealed chambers breathing potentially lethal cocktails of gases while recording their effect on his mind and body.
