Note to any future academic paper writers: Please include a date in your paper. Thanks. Judging from Norvig's employment, this is at least 10 years old. And al

Note to any future academic paper writers: Please include a date in your paper. Thanks. Judging from Norvig's employment, this is at least 10 years old. And also from SILK, which later evolved to JScheme, which is now used in e.g. Scheme Droid interpreter for Android.