Emile Lamm was an inventor and dentist

Dentist

A dentist, also known as a 'dental surgeon', is a doctor that specializes in the diagnosis, prevention, and treatment of diseases and conditions of the oral cavity. The dentist's supporting team aides in providing oral health services...

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Lamm was born in Ay

Ay

Ay was the penultimate Pharaoh of Ancient Egypt's 18th dynasty. He held the throne of Egypt for a brief four-year period , although he was a close advisor to two and perhaps three of the pharaohs who ruled before him and was the power behind the throne during Tutankhamun's reign...

, France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

, and moved to Louisiana

Louisiana

Louisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...

 in 1848. He patented various improvements in techniques of gold dental fillings, and developed a number of innovative designs for street railways. These later were inspired by wishes to improve the Streetcars in New Orleans

Streetcars in New Orleans

Streetcars in New Orleans have been an integral part of the city's public transportation network since the first half of the 19th century. The longest of New Orleans' streetcar lines, the St. Charles Avenue Streetcar, is the oldest continuously operating street railway system in the world,...

, as there was a desire for faster and more powerful propulsion than horsecar

Horsecar

A horsecar or horse-drawn tram is an animal-powered streetcar or tram.These early forms of public transport developed out of industrial haulage routes that had long been in existence, and from the omnibus routes that first ran on public streets in the 1820s, using the newly improved iron or steel...

s could provide, while steam locomotive

Steam locomotive

A steam locomotive is a railway locomotive that produces its power through a steam engine. These locomotives are fueled by burning some combustible material, usually coal, wood or oil, to produce steam in a boiler, which drives the steam engine...

s created noise, smoke, and soot that was undesirable in city streets. The most successful of Lamm's designs was "Lamm's Fireless Engine", which ran on the St. Charles Avenue Streetcar line in the 1870s and 1880s, and also saw wide use in the street railways of Paris

Paris

Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

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