Misc: who wrote the mystery of marie roget?

Questions

Which Australian was the only golfer to win the Open three times in succession during the 20th century?

The title of which 1961 book and 1970 film has come to mean a no win situation?

In which puppet series did Spotty the dog appear?

In which british rock band formed in 1965 was the singer and guitarist Syd Barrett replaced by David Gilmour?

What kind of animal is a Dandie Dinmont?