Perhaps the greatest man in television history?
Norman Lear gets my vote. He pretty much reshaped television and brought about various social changes with programs like All In The Family, The Jeffersons, Maude, Sanford and Son, Good Times, and many others. His shows touched on many topics we had never seen on TV before. Segregation, racism, sexual violence and abortion were all thought to be taboo for television but he pushed the envelope and caused us to discuss them more openly. Politicians and activists alike strategized how to use points made on All In The Family to advance their agendas. Norman Lear was a social influencer in every way and a very good one at that. Perhaps the best.
He is 100 years old now and still active which is amazing. One of those days for me to reflect on things that helped shape my thoughts, opinions and treatment of others. You need to know where you came from to get where you would like to be.
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Norman Lear was certainly one of the most influential producers in television history. I think that's safe to say.
Emily Nussbaum had a piece reflecting on the legacy of Archie Bunker. Very well researched and by no means a 
..
https://www.newyorker.com/magazine/2014/04/07/the-great-divide-emily-nussbaum
https://www.democraticunderground.com/1016278480
Very well done, thank you for that 