evidence: Evidence of Harm. Mercury in Vaccines and the Autism Epidemic: Medical Controversy [...] When Andrew Wakefield, the former Royal Free Hospital researcher who launched the scare about a link between the measles, mumps, and rubella (MMR) vaccine and autism in Britain, claimed that he had learnt everything he knew about autism from parents, this sounded merely disingenuous. In David Kirby's case, unfortunately, it appears to be true: he seems to take at face value every claim made by campaigning parents in the United States who believe that vaccines containing the mercury based preservative thiomersal caused their children to become autistic.