Jules Henri (Jules) Barrois (1852–1943)
French embryologist and invertebrate zoologist. PhD, Lille, 1877. Founded a marine zoological laboratory with Hermann Fol (1845–92) in the old lazaret at Villefranche-sur-Mer, 1882. Laboratory moved to a Russian navy building nearby and Barrois appointed director with support from French and Russian governments, 1885–96.