DAVID R. OLDROYD

With this issue, Earth Sciences History now passes its ‘thirty mark’—from youth to maturity perhaps? We welcome Dr Cornelia Lüdecke to the Editorial Board to look after matters to do with the history of meterorology.

Davis Young leads off with Part 4 of his epic series of papers on the history of the CIPW system. He confided to me in an email that it was the most difficult paper he had ever written, and that is hardly surprising as the story is immensely complex, even if, thus far, it has only had four principal dramatis personae....

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