Peter Waage, Norwegian chemist and academic (d. 1900)
Peter Waage (29 June 1833 – 13 January 1900) was a Norwegian chemist and professor. He was a professor of chemistry at the University of Kristiania. Along with his brother-in-law Cato Maximilian Guldberg, he co-discovered and developed the law of mass action between 1864 and 1879.