Important Notice: OSA's offices are closing early on Friday, 27 May 2016 at 3 PM EDT (UTC−04:00) in honor of the Memorial Day Weekend. The offices will reopen on Tuesday, 31 May 2016 at 8:30 AM EDT.
Interview with Erich Ippen, September 2008 (Part 1 of 2)
Interview with Past President Erich Ippen. Conducted by Lee Sullivan in Boston, MA, USA, September 2008. (Part 1 of 2)