John H. Fremlin
John Heaver Fremlin was an English nuclear physicist.Fremlin was secretary of the Cambridge Scientists Anti-War Group. Responding to concerns about the use of poison gas bombs, he hosted experiments by the group in his room in Trinity College to determine the rate at which a gas might leak into a sealed room. However Jack Haldane queried the rigour of his scientific methodology.
His papers are archived at the University of Birmingham. Celia Fremlin was his sister.
