The open hearth furnace.
In 1865, the French engineer Pierre-Émile Martin took out a license from Siemens and first applied his furnace for making steel. Their process was known as the Siemens-Martin process, and the furnace as an "open-hearth" furnace.
Martin-Pierre Gauthier died in 1855.
Pierre Martin - engineer - died in 1986.
Nobody invented polonium; it is a naturally occuring element. It was discovered by Marie and Pierre Curie.
Baron Pierre de Coubertin
In 1865, the French engineer Pierre-Émile Martin took out a license from Siemens and first applied his furnace for making steel. Their process was known as the Siemens-Martin process, and the furnace as an "open-hearth" furnace.
Martin St. Pierre was born on 1983-08-11.
Martin-Pierre Gauthier was born in 1790.
Martin Pierre Marsick died in 1924.
Martin Pierre Marsick was born in 1847.
Pierre Martin - engineer - was born in 1932.
Pierre Martin - politician - was born in 1943.
Martin-Pierre Gauthier died in 1855.
Pierre Martin - engineer - died in 1986.
Pierre-Émile Martin was born on 1824-08-18.
Pierre-Émile Martin died on 1915-05-23.
Pierre-François Martin-Laval was born in 1968.