There may be two outstanding reasons why in 1960 Fiorello! was only the third musical to nab the Pulitzer Prize for Drama. Both reasons are craftily on display in the sparkling Encores! revival at City Center.
If one were to look for unlikely social climbers in literature, one of the most obvious examples is Eliza Doolittle. The character created by George Bernard Shaw for 1912's Pygmalion was further immortalized in the 1956 hit musical, My Fair Lady.