in common: king tonkin, duchess of oldenburg, simpson starking and rambo?

Questions

Which chemical element, with atomic number 54, is named after the Greek word for 'stranger'?

Name the British winner of the second Nobel Prize for Medicine in 1902?

Hayling Island is part of which comity?

Name the Egyptian god with the head of a jackal, or dog?

On which West Yorkshire river does Halifax stand?