Which Mexican revolutionary, killed in 1923, reputedly said "Don't let it end like this. Tell them I said something"?

A Swiss mercenary fighting the Bulgarians is a main character in which 1894 play by George Bernard Shaw, "___ and the M… A merchant's 1919 bequest for music education led to which New York City school? What word names a heavy metallic element and also means to guide the way? What common surname originally meant a metalworker? What do you call a Mexican blanket-like shawl, similar to a poncho but without the hole for the head? In which 2004 film does Denzel Washington play a Mexico City bodyguard seeking revenge for a kidnapped girl? Which Miami Beach hotel served as the Republican headquarters for the party's 1968 convention? A Miami Herald columnist since 1985, who is known for comic novels about Florida corruption, such as "Skinny Dip"?