UnScramble this Word: a s e s r p s?

Questions

What is the aquatic nickname of Schubert's Piano Quintet in A?

Which novelist created pathologist Kay Scarpetta?

In what year was the first successful heart transplant operation performed by Dr Christian Barnard?

In which type of rock would you find features called "Clints" and "Grikes"?

In which French city did the German Army surrender on the 7th May 1945?