Walthère Victor Spring

Walthère Victor Spring (6 March 1848 – 17 July 1911) was a Belgian experimental chemist and a professor at the University of Liège who contributed to ideas on carbon dioxide in the atmosphere and the greenhouse effect. As a physical chemist he demonstrated the formation of certain compounds such as metal sulphides under high pressure conditions. He also took an interest in the study of the Tyndall effect and examined the cause of the colour of the sky and water.