JVRW-NCQA
"The
Great Blondin" (Jean Francois Gravelot) tightrope walking across
the Niagara River Gorge carrying Harry Colcord / tightrope walking
event / Niagara River Gorge / August 19th 1859

Photo credit: http://www.nfpl.library.on.ca
Ancillary data can be found here:
http://en.wikipedia.org/wiki/Blondin