There is a small mistake in the NSA publication The Bombe: Prelude to Modern Cryptanalysis available at the National Cryptologic Museum at Ft. Meade. The bibliography lists Isadore Jacob "Jack" Good as J.I. Good rather than I.J. Good. Anyone active in the Va. Tech Philosophy Club circa 1980 knows the correct ordering of the initials.
Another error in the same publication has been noted in Cryptologia.