Deutsch: Adam Sedgwick (* 22. März 1785 in Dent, Yorkshire; † 27. Januar 1873 in Cambridge) war einer der Begründer der modernen Geologie.
English: Adam Sedgwick ( March 22nd, 1785–January 27, 1873) was one of the founders of modern geology. He proposed the Devonian period of the geological timescale and later the Cambrian period. The latter proposal was based on work which he did on Welsh rock strata.