People who study "History of logic" investigate deals with the study of the development of the science of valid inference (logic).
A few notable experts of "History of logic" include Aristotle, G.W.F. Hegel, Plato, and George Boole.
Goals of "History of logic" include broaden their understanding of humanity, science, mathematics, and the universe in general.
Prehistory of logic, Ancient Greece before Aristotle, Aristotle, Stoics, and Medieval logic are a few categories of "History of logic".