was selected for preservation in its National Film Registry . The Doctor is IN 4a Capp {Joe Btfsplk's creator}. Joe Btfsplk was a character in Li'l Abner by Al Capp (1909–1979). 28a Mamet {"The Cryptogram" playwright, 1995}. I.e. David Mamet . 36a Bryn {Welsh word in a Pennsylvania college name}. A reference