Ernest Gaston Joseph Solvay (French: [sɔlvɛ]; 16 April 1838 – 26 May 1922) was a Belgian chemist, industrialist and philanthropist. Born in Rebecq, he was prevented by his acute pleurisy from going to university. He worked in his uncle's chemical factory from the age of 21. In 1861, he, along with his brother Alfred Solvay, developed the ammonia-soda process for the manufacturing of soda ash (anhydrous sodium carbonate) from brine (as a source of sodium chloride) and limestone (as a source of calcium carbonate). The process was an improvement over the earlier Leblanc process.He founded the company Solvay & Cie and established his first factory at Couillet (now merged into Charleroi, Belgium) in 1863 and further perfected the process until 1872, when he patented it. Soon, Solvay process plants were established in the United Kingdom, the United States, Russia, Germany and Austria. Today, about 70 Solvay process plants are still operational worldwide.The exploitation of his patents brought Solvay considerable...