Ludwig Büchner
 Friedrich Karl Christian Ludwig Büchner (; ; 29 March 1824 – 30 April 1899) was a German philosopher, physiologist and physician who became one of the exponents of 19th-century scientific materialism.
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  Friedrich Karl Christian Ludwig Büchner (; ; 29 March 1824 – 30 April 1899) was a German philosopher, physiologist and physician who became one of the exponents of 19th-century scientific materialism.
  Provided by Wikipedia
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