Also, Zuse[?]'s and Alan Turing's work is missing.
Anybody know more about the eighteenth century polynomial solver that's mentioned in the difference engine section?
... town the population is spread out with 30.3% under the age of 18, 8.1% from 18 to 24, 29.9% from 25 to 44, 23.8% from 45 to 64, and 7.9% who are 65 years of age or older. ...