[AP/USA Today] Aron Heller - A mathematical mystery that has baffled top minds for nearly four decades has recently been cracked - by a 63-year-old former security guard. Avraham Trakhtman, a mathematician who worked as a laborer after immigrating to Israel from Russia, has succeeded in solving the elusive "Road Coloring Problem" in the esoteric field of symbolic dynamics.
2008-03-21 01:00:00Full ArticleBACK Visit the Daily Alert Archive