Paracelsus — Swiss Scientist born on November 11, 1493, died on September 24, 1541
Paracelsus (/ˌpærəˈsɛlsəs/; born Philippus Aureolus Theophrastus Bombastus von Hohenheim, was a Swiss German philosopher, physician, botanist, astrologer, and general occultist. He is credited as the founder of toxicology. He is also a famous revolutionary for utilizing observations of nature, rather than referring to ancient texts, something of radical defiance during his time. He is credited for giving zinc its name, calling it zincum. Modern psychology often also credits him for being the first to note that some diseases are rooted in psychological conditions... (wikipedia)