Which of the people that worked on "Der Struwwelpeter" died February 14, 1988?
What's Up? (musical):  is a musical derived from a book by Alan Jay Lerner and Arthur Pierson, lyrics by Lerner, and music by Frederick Loewe. Frederick Loewe: Frederick Loewe ( , originally German "Friedrich (Fritz) Löwe" ] ; June 10, 1901 – February 14, 1988), was an Austrian-American composer.
Frederick Loewe