John Bradley, the author of xv, has died. The program was one of the early versatile image viewers for X11 on UNIX like systems, and no Linux distro in the 1990s was complete without it.
If you want to try it out, it compiles very easily on modern Linux systems if you use this patched source:
https://github.com/ingowald/updated-xv
#x11 #xv #linux