Henri Duveyrier
Henri Duveyrier was a French explorer of the Sahara.
Duveyrier was born in Paris, the eldest child of Charles Duveyrier , a wellknown dramatist, and his English wife Ellen Claire ne Denie. Charles Duveyrier was a follower of the utopian philosophical movement started by Henri de SaintSimon. In 1857 and 1858, Duveyrier spent some months in London, where he met Heinrich Barth, then preparing an account of his travels in the western Sudan.
Source: Wikipedia