ARC-Onderstepoort Veterinary Research2019-09-272019-09-271950PE80LP45http://hdl.handle.net/2263/71475Scanned image of a photographic glass-plate negativePhoto of Dr R.A. Alexander, staff member at the Onderstepoort Veterinary Institute from 1950-1961. He was a veterinarian and researcher in virology who developed various polyvalent vaccines such as against African horsesickness with attenuated neurotropic virus strains and an egg-adapted bluetongue vaccine. Photographer unknown.1 photo : black and whitePDFOriginal medium: Glass-plate negative©2019 ARC- Onderstepoort Veterinary Research (Original) , University of Pretoria (Digital). Provided for educational purposes only. It may not be downloaded, reproduced or distributed in any format without written permission of the original copyright holder. Any attempt to circumvent the access controls placed on this file is a violation of copyright laws and is subject to criminal prosecution. Please contact the collection administrator for copyright issues.Glass negativeVeterinary scienceVeterinarianVeterinary medicine -- HistoryVeterinary medicine -- South AfricaVeterinary medicine -- PhotographsStill Image