DR. W. J. C. ORR, Who died on March 13, held an I.C.I. Fellowship in Chemistry at the University of Glasgow, having taken up this post in October last year. Previously he had held a research post with the British Rubber Research Association, and had worked in the Universities of Cambridge and Edinburgh. He was well known for his work in physical chemistry, especially on reactions involving isotopes, thermodynamics generally, and bond energies, on which subjects he had published a large number of papers.

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    [Obituary]. Nature 157, 506 (1946). https://doi.org/10.1038/157506b0

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