Christopher Clavius

Christopher Clavius Christopher Clavius, (25 March 1538 – 6 February 1612) was a Jesuit German mathematician, head of mathematicians at the , and astronomer who was a member of the Vatican commission that accepted the proposed calendar invented by Aloysius Lilius, that is known as the Gregorian calendar. Clavius would later write defences and an explanation of the reformed calendar, including an emphatic acknowledgement of Lilius' work. In his last years he was probably the most respected astronomer in Europe and his textbooks were used for astronomical education for over fifty years in and even out of Europe. Provided by Wikipedia
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    Location: Cudahy Archives, Loyola University Chicago
    Book
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    Other Authors: ...Clavius, Christoph, 1538-1612...
    Location: Cudahy Archives, Loyola University Chicago
    Book
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