Louis Pasteur (1822-1895) was terrified of dogs. Even a barking dog from a distance would scare him, and even a childhood memory of a dangerous wolf in town gave him nightmares just thinking about him. Yet in 1882, at the age of 60, Pasteur abandoned his books and focused on finding a cure for rabies. This was an illness which a person can get if bitten by a dog. In spite of his constant fear of dogs, he spent three years living with dangerous dogs to experiment on them. Finally he was able to invent a vaccine to help cure victims of a dog bite which would cause rabies. It was in July 1885 that he tried his first vaccine on a young boy who was nearing death. But thankfully, the boy survived and so did Pasteur’s invention, which is still being used today.
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