GENERAL KNOWLEDGE: What is e.g. an abbreviation of ?

Questions

Henry L. Mencken, newspaperman, critic, Baltimore's son, born.?

Maurice Chevalier, actor, singer (Gigi), ultimate Frenchman, born.?

Margaret Hamilton, actor (Wizard of Oz), played Wicked Witch of the West, born.?

Jesse Owens, athlete, spoiled Hitler's Olympic plans in 1936, born.?

Amilcar Cabral, worked for independence of Portuguese Africa, born.?