How do films communicate with their audiences? Do you see a difference between entertainment and communication? Do films reach the audiences the same as theater, or television?
Which two decades make up the "Golden Age of Movies" in Hollywood, according to this webside (and most every critic). http://www.environmentalhistory.org/revcomm/cinema-clips/golden-age-of-hollywood/
1910s and 20s
1930s and 40s
1950s and 60s
Present day movies
Who is credited with the first film, publicaly shown? What year did this happen?