page_title: Louis Vicat
hierarchical_section_title: Louis Vicat
context_page_description: Louis Vicat French engineer.
  He graduated from École Polytechnique 1804 and École des Ponts et Chaussées 1806.
  Vicat studied the setting of mortars and developed his own. The first building using the modern mortar is the bridge of Souillac erected in 1818.
  The material was popular but was superseded by Portland cement. He also invented the Vicat needle that is still in use for determination of setting time of concretes and cements. His son, Joseph Vicat, founded Vicat Cement, which is today a large international cement manufacturing company.
  He was a member of the French Academy of Sciences and his name is one of the 72 names inscribed on the Eiffel Tower. Vicat was elected a Foreign Honorary Member of the American Academy of Arts and Sciences in 1855.
context_section_description: Louis Vicat (31 March 1786, Nevers – 10 April 1861, Grenoble) French engineer.
  He graduated from École Polytechnique 1804 and École des Ponts et Chaussées 1806.
  Vicat studied the setting of mortars and developed his own. The first building using the modern mortar is the bridge of Souillac (Dordogne) erected in 1818.
  The material was popular but was superseded by Portland cement. He also invented the Vicat needle that is still in use for determination of setting time of concretes and cements.  His son, Joseph Vicat, founded Vicat Cement, which is today a large international cement manufacturing company.
  He was a member of the French Academy of Sciences and his name is one of the 72 names inscribed on the Eiffel Tower. Vicat was elected a Foreign Honorary Member of the American Academy of Arts and Sciences in 1855.
caption: Portrait of Louis Vicat young.
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