Roleplaying game pioneer M.A.R. Barker was an anti-Semite and Nazi sympathizer

For roleplaying gamers there are fewer "holy grail" games than M.A.R. Barker's 1974 now-rare Tkumel: Empire of the Petal Throne. Barker's complex, linguistically-inspired fantasy world was often compared to J.R.R. Tolkien's (Barker was also a linguist). Barker is often included in the same reverent breath as D&D creators Gary Gygax and Dave Arneson as one of the fathers of RPGs. — Read the rest