In the late 1980s, Dr Karl Kruszelnicki was happily working in his "dream job" as a doctor at the Royal Alexandra Hospital for Children in Camperdown, NSW, and doing a little broadcasting on the side, talking about science on the ABC's triple j radio station.
He may well have continued with a career in paediatric medicine had it not been for the death of a baby which had a profound effect on him.
"I was so angry, that baby died for nothing," Dr Karl Kruszelnicki says.
