Preceptor Appelbaum is a teacher at the Ghost Academy with a reputation for always being unhappy. He helped uneducated student Delta Emblock learn how to read. TriviaEdit "Baum" is the German word for tree. ReferencesEdit ↑ DeCandido, Keith R. A. (w), Fernando Heinz Furukawa (p, i). StarCraft: Ghost Academy: Volume 1 (paperback binding). Tokyopop, January 1, 2010. ISBN 978-1427-81612-2. Retrieved from "https://starcraft.fandom.com/wiki/Appelbaum?oldid=332221" Categories: Terran Ghost Academy characters Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.