J. S. Haldane who invented the gas mask World War I, spent time on the front lines analysing poison gases, he would rush to the scene whenever an attack was reported. Much knowledge of the effects of various gases came from Haldane shutting himself inside a chamber and breathing them, noting any physiological and psychological effects. J. B. S. Haldane J. B. S. Haldane Born November 5, 1892 Oxford , England Died December 1, 1964 (aged 72) Bhubaneswar , India Nationality British Occupation B adass, Mustache Champion, Male Model He once taught his son (J B S Haldane)about the effects of gas by taking him down a mine filled with firedamp gas and had him recite Shakespeare until he passed out. That's some good parenting right there. The younger Haldane became an expert on the effects of deep diving and the problems faced when rescuing submariners. He used a Royal Navy-funded compression chamber to subject himself and numerous volunteers to nea...