Misc: identify the only american wrestler to win medals at 3 successive olympiad?

Questions

humphrey bogart was related to----------?

in 1982, the last member of a group of people who believed the earth was ---------- died?

issac asimov is the only author to have a book in every ---------- -decimal category?

---------- , jack klugman, diana ross, carol burnett and cher have all worn braces as adults?

jill st. john, ---------- , diana ross, carol burnett and cher have all worn braces as adults?