TIL that Gary Gygax appears as a quotation source for no less than 14 entries in the OED:
- Campaign (D&D, 1974)
- Bag of holding (1974)
- Module (DMG, 1979)
- Artifact (the reissue of Eldritch Wizardy 1978)
- Magical (Chainmail, 1972)
- Portal (DMG, 1979)
- Dwarf (1974)
- Dungeon (1974)