William "Bill" Jarrett was a Professor of Veterinary Medicine and responsible for many important breakthroughs.
He was selected for this video by fellow veterinary scientist Professor Neil Gorman, who also happens to be Vice-Chancellor of Nottingham Trent University.
Hungarian Ignaz Semmelweis pioneered the idea of washing your hands! He led the way in early antiseptic procedures and is the favourite scientist of Michael Loughlin, who works in the same field at...