Jean Brunner or Johann Josef Brunner (1804 in Balsthal – 1862 in Paris), was a Swiss-born, French measuring instrument maker and mechanic.
[1] Jean Brunner was born in Balsthal, Switzerland (Canton Solothurn).
He spent part of his apprenticeship with his father Johann Jakob Brunner in the locksmith's shop.
He worked there with Frederic Hutzinger and Jacques Louis Vincent Chevalier.
[1] Jean Brunner made a name for himself far beyond the borders of France by manufacturing high-precision instruments such as microscopes, telescopes, theodolites, compasses and astronomical instruments.