Peter Christopherson, musician, music video director, and designer with the influential British graphic design firm Hipgnosis, has left this mortal coil.  Even if you are not familiar with his name, most likely you have heard music he has worked on, or even more likely to have seen a music video he directed or an album cover he designed.  Here’s a link for the invisible jukebox interview with him from the Wire Magazine in August of last year.