Radix
Césaire Phisalix (8 October 1852, Mouthier-Haute-Pierre – 16 March 1906) was a French physician and biologist. He was the husband of Marie Picot Phisalix (1861–1946), an expert on venoms and venomous animals.He studied sciences at the Catholic college in Besançon and medicine in Paris, earning his medical doctorate in 1877. Later, he continued his studies at the military school in Val de Grâce with Alphonse Laveran, a future winner of the Nobel Prize in Physiology or Medicine. In 1886, he was named deputy professor of zoology at the school of medicine and pharmacy in Besançon, and in 1888 was appointed director of travaux de zoologie at the faculty of Besançon. Shortly afterwards, he returned to Paris, where he served as a lecturer at the Muséum national d'histoire naturelle.In 1894, with biochemist Gabriel Bertrand, he developed an antivenom for treatment against snake bites. For his research of venom and venomous animals, he was awarded the "Prix Bréant" in 1898.