It is time now to introduce my friend Peter Duesberg. Where do I begin? At NIH, Peter is sometimes known as the battling bulldog. He gets his teeth into something and 1 year, 5 years, 10 years, 20 years later those teeth are still sunk in it...[...]...He began working with retroviruses. Peter the biochemist. This really led to the first molecular and genetically defined transforming gene, the Src gene. A great deal of this brilliant and original, the real critical aspects, was and Blood Transfusion vol.29 p. 1, 1985.