We must've been through hundreds of books already and we can't find him anywhere — This article is lacking a section listing all of its known appearances in canon. Please help the Harry Potter Wiki by adding such a section, so that it conforms with our layout guide. A theoretician was a person who formed, developed, or studied the theoretical framework of a subject. Adalbert Waffling was perhaps the most notable of all wizarding theoreticians. Retrieved from "https://harrypotter.fandom.com/wiki/Theoretician?oldid=1187106" Categories: Articles without appearances Theoreticians Community content is available under CC-BY-SA unless otherwise noted.