Ernest Solvay was Belgium chemist, industrialist, and philanthropist who in the 1860sm developed the ammonia prices for the manufacture of sodium carbonate, widely used in the production of glass and soap.
The Solvay International Conferences on Physics are held every three to five years. Organized by the International Solvay Institutes for Physics and Chemistry located in Brussels, they are noted for their role in stimulating advances in atomic and quantum physics.
International Solvay Institutes for Physics and Chemistry