Black man holds pig by hind legs while John H. Rietz gives injection or treatment to a pig. …”This increase of facilities for the department of veterinary science also netted another member on the staff of the department, Dr. J. H. Rietz, who came in the fall of 1903. He stayed only two years and was replaced by Dr. R. P. Marsteller in the fall of 1905.” H. Schmidt- Writing on the photo or group of photos: '' Physical description: Black and white print (photograph) 15.5x21mm mounted.What we know about Dr. J.H. Rietz: Born 1881 in Ohio to father, Jacob Rietz and mother, Tabitha J. Gray. In the “Centennial History of the College of Veterinary Medicine” for Ohio State University he is honored by receiving the Distinguished Alumnus Award and is...