Comment was invented in 1859 by Oliver Wendell Holmes Sr. (Score 1) 94
WRONG!
Sir Charles Wheatstone (as in Wheatstone Bridge) invented the Wheatstone Stereoscope before Sir. David Brewster developed the lens system attributed to Oliver Wendell Holmes.
Of course as with the computer, GUI, MP3 player, and cell phone, the stereoscope was actually invented by Steve Jobs.