Gerard De Geer
Baron Gerard Jacob De Geer ForMemRS (1858–1943) was a Swedish geologist who made significant contributions to Quaternary geology, particularly geomorphology and geochronology. De Geer is best known for his discovery of varves.
Read more about Gerard De Geer: Early Life and Family, De Geer's Discovery of Varves, The 1910 International Geological Congress, The Swedish Time Scale, Global Expeditions, Teleconections, and Controversy, Geochronologia Suecica Principles, Awards and Recognition, De Geer From A Modern Perspective, Selected English Language Works, Biography