| France|| Pierre-Emile Martin|
| 18 August 1824Bourges|
23 May 1915
Pierre-Émile Martin Wikipedia
Pierre-Emile Martin (18 August 1824, Bourges, Cher – 23 May 1915, Fourchambault) was a French industrial engineer.
He applied the principle of recovery of the hot gas in an open hearth furnace, a process invented by Carl Wilhelm Siemens.