The Presence of AbsenceRich Haswell poses an intriguing question:
When spoken, the word "silence" contradicts its meaning. Gomringer's concrete poem [below left] creates a new and better word for "silence": the void in the middle. That space, that absence, is now filled with an eloquent presence. So then what is the better representation of a dead person, a photograph displayed or no photograph available?

The full size of this illustration is
here.
Also of interest, the artistry of
Mark Mumford:
"Nothing Ever Happened Here," 2002. Paper, ink, stainless steel, and vinyl.