This document summarizes important laws of soil chemistry and the scientists associated with them: 1) Goldschmidt's laws are associated with Victor Moritz Goldschmidt, the father of modern geochemistry and crystal chemistry. 2) The law of mass action is attributed to Cato Maximilian Guldberg and Peter Waage, Norwegian scientists who studied chemistry and mathematics. 3) The Schofield ratio law relates to soil cations and was researched by British scientist Reginald Keith Schofield.