تعريف adam sedgwick في الإنجليزية الإنجليزية القاموس.
born March 22, 1785, Dent, Yorkshire, Eng. died Jan. 27, 1873, Cambridge, Cambridgeshire English geologist. A pioneer in the establishment of geology as a university discipline (Trinity College, Oxford), he named the Cambrian Period and (with Roderick Murchison) the Devonian Period. His grandnephew, the zoologist Adam Sedgwick (1854-1913), first established the evolutionary link between the annelids and the arthropods