Abstract
January 7, 1786. Jean Etienne Guettard died.—The discoverer in 1752 of the extinct volcanoes of Auvergne and the compiler with Lavoisier of a mineralogical map of France, Guettard has been called “the father of all the national Geological Surveys.”
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01 January 1921
In last week's Calendar the year of Galileo's birth should have been 1564, and not 1571l which was the year Kepler was born.
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S., E. Calendar of Scientific Pioneers. Nature 106, 617 (1921). https://doi.org/10.1038/106617a0
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DOI: https://doi.org/10.1038/106617a0