Konrad von Gesner, also known as Conrad Gessner, was a Swiss naturalist and physician who lived from 1516 to 1565. He is known for his extensive study and writings on botany, zoology, and medicine. Gesner was a influential figure in the history of natural science and his works continue to be studied and respected by scholars today. Some synonyms for Gesner include "Swiss naturalist", "16th century physician", and "author of Historiae animalium". He was also referred to as the "father of modern zoology" and is considered one of the most important figures in the development of modern natural science. His work has inspired countless other scientists and researchers in the centuries since his death.