University of St. Andrews (UK)
University of St. Andrews: John Von Neumann
This University of St. Andrews site describes von Neumann's childhood through his death. Excerpts from articles on his life are stated here.
Interactive Mathematics
Interactive Mathematics: Probability and Statistics
Mini lessons are provided for learning concepts in the world of probability and statistics. Topics include counting and probability, permutations, combinations, independent and dependent events, and distributions. Links to online...
Other
Finite Geometry Notes: Diamond 16 Symmetry Puzzle
At this site see if you can solve the "Diamond 16" puzzle. Change the patterns to create ordinary or color exchange symmetry. This is just one of several challenging puzzles at this site. Links to similar puzzles and games.
University at Buffalo
University of New York: David Harold Blackwell
Called by many the greatest African American mathematician, David Blackwell has won many awards in his field. This site from the University of New York at Buffalo provides a thorough biography of his life and work.