J.W. Groenewald was Professor of Animal Nutrition in the 1950's. He authored a book "Animal Nutrition" which was used by veterinary students and others.
Black/white photo. Original document size: (w)4.71 x (h)7 cm. Original scanned size: 109 kb JPEG, 600 dpi. Final web-ready size: 16.96 kb. Estimate download time: 7 sec. @ 28.8 kbps. Original TIFF file housed at the Dept. Veterinary Tropical Diseases, University of Pretoria. Metadata assigned by Prof. R.C. Tustin, Professor Emeritus: DVTD. His academic and professional experience includes: veterinarian for 54 years,
senior lecturer at UP for 7 years, head of Department at UP for 17 years and Veterinary Council for 3 years.