Bradbury wrote the pedestrian, because in his mind he coupld see what the future would be like
It's debated; the credit is usually given to either Julia Ward Howe or Anna Jarvis.
Howe was born first, so if you're looking for initial efforts, I would go with her.
Hope this helps!
Answer:
Why were the first people in America called "Paleolithic"?
A) They made stone tools.