1887-1985 1894-1952 1929-2007 20thcentury 21stcentury baudrillard bidermanas bruce christianity communication historiography history influencemcluhan informationtheory innis intellectuallife izis jean marc marshall massmedia massmediainreligion mcluhan philosophy pictorialworkschagall religion religionmcluhan religiousaspects robert socialmedia technologicalinnovations