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John Floyd Holt
Regents' Proceedings 1115

John F. Holt, Professor of Radiology, will retire from active faculty status as of June 30, 1984, after a productive career as a physician, teacher and researcher.

Professor Holt graduated from the University of Pittsburgh Medical School in 1938. He served his internship at St. Francis Hospital in Pittsburgh before beginning a residency in radiology in 1939. His training was completed in 1942 and at that time he joined the faculty at The University of Michigan as Instructor of Radiology. His outstanding academic abilities were promptly recognized and he quickly rose through the ranks as director and co-director of the Division of Radiology at the Mott Children's Hospital from 1969 to 1981.

Professor Holt has made many significant contributions to medical literature, particularly in the field of pediatric radiology. His international reputation in pediatric radiology and his contributions to the development of the University's program in that subspecialty are well known. As a consequence, The University of Michigan has one of the outstanding training centers in pediatric radiology, at the Mott Children's Hospital.

Professor Holt has served as president of the Association of University Radiologists, first vice president of the American Roentgen Ray Society and president of the Society of Pediatric Radiologists. He has contributed to the understanding of many important pediatric diseases. His having been asked to give the Neuhauser Lecture on that subject in 1977 reflects the significance of his observation on neurofibromatosis. Furthermore, he has contributed significantly to the careers of many outstanding radiologists, particularly those who obtained their training as house officers in the Department of Radiology. He was a co-editor of the Year Book of Radiology for over 20 years and he co-authored a well-known textbook, Radiology for Medical Students, with five editions, spanning a 20-year period.

The Regents now salute this distinguished physician for his dedicated service by naming him Professor Emeritus of Radiology.