The Life and Lectures of Lent Johnson, M. D. arose because of my high regard for this pathologist who was chief of pathology at the Armed Forces Institute of Pathology (AFIP) for 50 years. The AFIP is the referral center for all tissues taken from members of the military. By peering through his microscope at samples sent to him by referring surgeons Dr. Johnson became the final judge of the disease that afflicted the person from...