Henri de Lacaze-Duthiers
In 1865 he succeeded Achille Valenciennes ( 1794–1865 ) as chair of "histoire naturelle des mollusques , des vers et des zoophytes" at the National Museum of Natural History , France , and in 1868 became a professor at the University of Paris . 
<triplet> Achille Valenciennes <subj> National Museum of Natural History, France <obj> employer