.
9 May 1905 discovery of 564 Dudu and 565 Marbachia
9 May 1972 discovery of 1903 Adzhimushkaj, 1904 Massevitch
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9 May 1850 Death of Joseph Louis Gay-Lussac
9 May 1906 Birth of Nicholas Ulrich Mayall, in Moline, Illinois, USA
9 May 1927 Birth of Manfred Eigen
9 May 1931 Death of Albert Abraham Michelson
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