Louis Pasteur was a Human man from France on Earth, who lived in the 19th century. He was born in the year 1822, and died in 1895. Pasteur became a scientist, specialising in chemistry, and founded the science of microbiology. He also developed several vaccines and invented the process of pasteurization. In the 24th century, the Olympic-class hospital ship USS Pasteur was named after him. (The Official Starships Collection Issue 42: "USS Pasteur NCC-58925")