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Peter Severinus: From Humours To Chemistry In The Sixteenth Century, Michael T. Walton, Robert M. Fineman
Peter Severinus: From Humours To Chemistry In The Sixteenth Century, Michael T. Walton, Robert M. Fineman
Quidditas
The re-discovery of the works of Mendel and others has added greatly to our understanding of genetics. Such is now the case of Peter Severinus, with the recent recovery (or re-discovery) of his seminal work, Idea Medicinae Philosophicae (1571). Severinus concurred with Paracelsus’s (1493-1541) concept of seeds (little chemical factories) that worked on matter to form living things; but he was also aware of transplantation (grafting and cross-pollination) that changed phenotypes and genotypes in plants. Severinus applied this understanding to hereditary diseases in humans and extended Paracelsian theory. He believed that certain diseases in one’s offspring were caused by a …