Marc Seguin was a French engineer, inventor of the wire-cable suspension bridge and the tubular steam-engine boiler. Born Annonay near Lyon, France to Marc François Seguin, founder of Seguin & Co. and Thérèse-Augustine de Montgolfier niece of Joseph Montgolfier, he was an inventor and entrepreneur. He developed the first suspension bridge in continental Europe, building and administering toll-bridges for a total of 186 bridges throughout France. Wikipedia
The definitive Wikipedia entry for Marc Seguin. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Marc_Seguin