Alexandre Louis Jousselin (1782 - 1867) was a French

French people

The French are a nation that share a common French culture and speak the French language as a mother tongue. Historically, the French population are descended from peoples of Celtic, Latin and Germanic origin, and are today a mixture of several ethnic groups...

 engineer. Jousselin was the chief engineer for the Seine-et-Marne

Seine-et-Marne

Seine-et-Marne is a French department, named after the Seine and Marne rivers, and located in the Île-de-France region.- History:Seine-et-Marne is one of the original 83 departments, created on March 4, 1790 during the French Revolution in application of the law of December 22, 1789...

 region and he built a bridge over the River Seine at Paris. Some called Alexander, Jousselin Scared, to differentiate him from Louis Didier who they nicknamed, Jousselin Scary. Jousselin's younger brother Louis Didier Jousselin

Louis Didier Jousselin

Louis Didier Jousselin was a French engineer. He built a three-kilometre-long bridge in less than three months during the Siege of Hamburg in 1813. His name is immortalised on the Eiffel Tower.-Biography:...

was also a qualified (and more famous) engineer