Baby Names Beginning With "C": Meaning: Cliff?

Questions

Which british author has the first names John Ronald Reuel?

What is the problem caused by the excessive streamlining on fast cars which the aerofoil counteracts?

Which jockey became a best selling thriller writer?

Frank Sinatra had 2 solo Britsh number ones, Two coins in a fountain was one, what was the other?

What is the brightest common object in the sky after the sun and the moon?