Boston--Exchange of medical knowledge between nations may serve as a bridge to international peace - but public health achievements also have creates some staggering new problems. That's the opinion of Professor Hugh R. Leavell, assistant dean of Harvard's School of Public Health who has spent much of the past decade and a half traveling over the world on health missions. Preaches Doctrine of Improved Health. Dr. Hugh R. Leavell has traveled to distant lands in the last 15 years on health missions.

Photo is dated 1959.

Photo measures 7 x 9.25 inches.