Verkkohe quantified the high infant mortality and attempted the calculation of a case fatality rate during an epidemic of fever. He was the first to document the. Demographers, epidemiologists and statisticians working today are building on foundations laid by john graunt, a london haberdasher born. Verkkothe field called thanatology (the science or study of death) emerged quite suddenly at the end of the 1960s. There is little doubt that the most important. Leading causes of death in tarrant county. Verkkohis analysis focuses on three fundamental problems: (1) the definition of human death, (2) the knowledge of mortality and of human death as such, and (3) the question of. Verkkoancient dna from bubonic plague victims buried in cemeteries on the old silk road trade route in central asia has helped solve an enduring mystery,. Verkkothese estimates call our attention to four important points.