testtube, comments...

• 2015-05-21, testtube in Peter Van Riper: Between Holography and the Avant-Garde
  Actually, to add to that, I was also a pioneer of holography. I produced several holograms at the San Francisco … Read more
• 2015-05-20, testtube in Peter Van Riper: Between Holography and the Avant-Garde
  It's unfortunate that Peter's work with Jerry Pethick is not mentioned in this piece. I knew Peter since 1971 through … Read more