Answer:
Stephen Hawking
Explanation:
First man who came to mind, he has made many discoveries about black holes and the Universe and has a famous book.
Answer: think about someones birthday it might be celebrated in a different country
Explanation:
That is was against the law on any public buses and transportation (public) to have segregation. Everyone was equal on buses and other public transportation.
Answer:
voluntary self-punishment inflicted as an outward expression of repentance for having done wrong.