(ˈsɛdʒwɪk) n (Biography) Adam. 1785–1873, English geologist; played a major role in establishing parts of the geological time scale, esp the Cambrian and Devonian periods
Sedgwick
Sedgwick
Adam. 1785--1873, English geologist; played a major role in establishing parts of the geological time scale, esp the Cambrian and Devonian periods