French artist George du Maurier conceptualised videoconferencing from Edison's musings. The Frenchman foreshadowed the social convention of videoconferencing at great distances and wide, flat-screen TVs.
Text reads:
Edison's Telephonoscope (transmits light as well as sound)
(Every evening, before going to bed, Pater- and Materfamilias set up an electric camera-obscura over their bedroom mantel-piece, and gladden their eyes with the sight of their Children at the Antipodes, and converse gaily with them through the wire.)
source: www.terramedia.co.uk/Chronomedia/years/Edison_Telephonoscope.htm