Sébastien Le Prestre de (sebastjɛ̃ lə prɛtrə də). 1633–1707, French military engineer and marshal, who greatly developed the science of fortification and devised novel siege tactics using a series of parallel trenches
Vauban in American English
(voʊˈbɑ̃)
Marquis de (də) (Sébastien Le Prestre) 1633-1707; Fr. military engineer