The Radiological Society of North America has this year elected to its presidency a man who has earned an esteem and admiration reserved only for those who have unselfishly devoted themselves to the medical specialty of radiology. Long an innovator in the improvement of radiological health care delivery, he has made many valuable contributions toward the development of new techniques in diagnosis and therapy. A born leader and organizer, he has used these talents untiringly to influence and train a host of fledgling radiologists who felt it an honor to follow in his footsteps. David S. Carroll was born in Morristown, Tenn., on Jan. 3, 1917, the son of Dr. and Mrs. Charles Thomas Carroll, Jr. His interest in medicine was nurtured early as he made the rounds and house calls of a country general practice with his father. He was graduated from Morristown High School in 1934 and was class valedictorian. He matriculated immediately at the University of Tennessee, Knoxville campus, and was graduated in 1938 with a Bachelor of Science degree. Dr. Carroll's medical training was obtained at the University of Tennessee medical units in Memphis, and he was awarded his Doctor of Medicine degree in 1940. Shortly after graduation, Dr. Carroll volunteered for military service with the United States Army Medical Corps and served with distinction from 1941 through 1946. He attained the rank of Major at the time of discharge. During his Army service, it was fortunate that he was assigned to duties in radiology under the direction of Dr. Cesar Gianturco. Dr. Gianturco's love for the specialty was contagious and his ability for teaching not wasted. Upon discharge, Dr. Carroll returned to Memphis for a short residency at the John Gaston Hospital and was certified by the American Board of Radiology in 1946. This thirst for academic excellence in radiology had not gone unnoticed by Dr. Charles H. Heacock and Dr. J. Cash King. Shortly after certification, Dr. Carroll was urged strongly by them to accept the position of the first postwar staff radiologist at the University of Tennessee∕City of Memphis Hospital complex. What began as an antique one-room department has now become one of the largest and best-equipped radiology departments in the world. This explosive growth was directly under the chairmanship of Dr. Carroll until 1965 when he made a decision to return to the private sector of radiological practice. Dr. Carroll still holds a clinical professorship, however, and participates at every opportunity in the training of those who follow in our specialty. At present, Dr. Carroll is one of the senior staff radiologists at the Methodist Hospital in Memphis and serves as consultant to the City of Memphis Hospitals, LeBonheur Childrens Hospital, Kennedy Veterans Hospital, and St. Jude Childrens Research Hospital. He is also a former consultant in radiology to the United States Atomic Energy Commission.