Charles Frédéric Kuhlmann (22 May 1803 – 27 January 1881) is a French chemist who patented the reaction later used in the
Ostwald process. He was both a research scientist and a professor at Université Lille Nord de France. He promoted chemical
engineering education for science graduates in Lille and supported the developpement of École centrale de Lille (IDN). As
an entrepreneur starting in 1829, he established his own chemical company producing sulfuric acid.
