Who was First Lady during Herbert Hoover's presidency?

In what year did Herbert Hoover first take office as President? In which state was Herbert Hoover born? Who served as Vice President under Herbert Hoover? Under which president did Charles Curtis serve as Vice President? Lou Hoover was married to which president? Which number president was Franklin D. Roosevelt? Who succeeded Franklin D. Roosevelt as President of the United States? Who was President immediately before Franklin D. Roosevelt?