Name the Artist: Teacher Teacher?

Questions

Which actor, best known for his portrayal of a hero of the Napoleonic wars, secretly married Abigail Cruttenden in November 1997?

By what name is Harry Angstrom known in the titles of John Updike's trilogy?

What was Paul Tibbett's claim to fame, established on August 6th 1945?

Which literary traveller was accompanied by the dog Toto?

What more attractive name do fishmongers use for dogfish?