http://www.ee.ryerson.ca:8080/~elf/abacus/

Web Connections

http://ei.cs.vt.edu/~history/VonNeumann.html
Gives an in-depth history of John von Neumann.

http://interactive.wsj.com/tour.htm
Allows you to investigate the services available through Wall Street Journal Interactive. (You have to pay for a subscription!)