Thaiger75 Senior Member 15+ Year Member Joined Nov 3, 2003 Messages 345 Reaction score 0 Oct 5, 2004 #1 Members don't see this ad. What's the difference between the chair (Tepper) and president (Lawrence) positions in ASTRO?
Members don't see this ad. What's the difference between the chair (Tepper) and president (Lawrence) positions in ASTRO?
