Ted Barnett asked about Johan Liljencrants.  Sadly, Johan passed away
about a year ago, see

http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=8653546 

John Page, UK

 [ Johan was Moderator of the MMD Pipes Forum for several years.  He
 [ contributed many fine technical articles to MMD which are indexed
 [ at http://www.mmdigest.com/Archives/Authors/Aut1680.html  and at
 [ http://www.mmdigest.com/Gallery/Tech/index.html  Many more articles
 [ are at his personal web site, http://www.fonema.se/  -- Robbie