Barbier
# Joseph Émile Barbier

### Born: 18 March 1839
in St Hilaire-Cotter, Pas-de-Calais, France

Died: 28 Jan 1889
in St Genest, Loire, France

Show birthplace location

**Barbier** was offered a post at the Paris Observatory by Le Verrier but he left after a few years. Nothing more was heard of him until he was discovered in an asylum in 1880.
Bertrand encouraged Barbier to return to scientific writing and, although he never recovered his sanity, he wrote many excellent and original mathematical papers. He wrote on probability, polyhedra, integral calculus and number theory.

**References (2 books/articles)**

JOC/EFR December 1996