Louis Vicat

Louis Vicat (31 March 1786, Nevers – 10 April 1861, Grenoble) was a French engineer.

He also invented the Vicat needle that is still in use for determining the setting time of concretes and cements.

His son Joseph Vicat founded Vicat Cement, which is today a large international cement manufacturing company.

Vicat was elected a Foreign Honorary Member of the American Academy of Arts and Sciences in 1855.

This French engineer or inventor biographical article is a stub.

Portrait of Louis Vicat as a young man.