Ed Sharpe asked: can anyone tell us what happened to Joel Birnbaum father of the spectrum ? The following may shed some light: http://www.hpl.hp.com/about/bios/joelbirnbaum.html http://www.seti.org/about_us/leadership/board_of_trustees/joel_b.html http://www.zaslon.si/english/news/20000705-Joel-Birnbaum.htm Let Peace be the maxim by which we act because we will Peace to become a universal law. Work For Peace The opinions expressed herein are my own and not necessarily those of my employer. Yosef Rosenblatt * To join/leave the list, search archives, change list settings, * * etc., please visit http://raven.utc.edu/archives/hp3000-l.html *