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Carl Auer von Welsbach died on 1929-08-04.
Carl Auer von Welsbach was born on 1858-09-01.
Neodymium was discovered in 1885 by Carl Auer von Welsbach in Austria.
Carl Aver von Welsbach
Lutetium (Latin Lutetia meaning Paris) was independently discovered in 1907 by: