Fred Rogers (of Mister Rogers' Neighborhood). For my generation, he helped to shape our views on kindness and compassion for humankind. He fought for public access funding in the United States. He helped break color barriers on television. He helped us enjoy jazz.
I have not encountered another media personality who was so genuinely invested in making sure that kids had the tools they needed to deal with the emotional parts of existence. I'm tearing up again thinking about how much he did for us.
It was really strange. Thankfully things were slightly better by the 90s when the central division was added, but that still had weird groupings like Houston/Pittsburgh (or Miami/Montreal).