A 2002 stamp for the 100th anniversary of whose birth included the full texts of six of his whimsical poems?

A square, a museum and an office building in which capital are named for Simon Bolivar, born there in 1783? What word names a squash or pumpkin and sounds like "pierced by a bull's horn"? A stadium whose tent-like roof was then the world's largest was built for the 1972 Olympics in which city? A stage musical based on which 1997 film about unemployed steel workers turned strippers opened in 2000? A standard round of professional golf has how many holes? A stand-up comedian from 16, who finished a six-year run as a daytime TV talk show host in 2002? Which Hemingway novel's title comes from Ecclesiastes: "The sun also ariseth"? A star of 1932's "Scarface", which tough-guy George once ran a Havana casino?