Einstein's Riddle

[ks]

Does anyone actually know the answer to this? I think I've cracked it but not quite convinced....

[sft42]

have a click here for a previous discussion on this http://www.theanswerbank.co.uk/DisplayAnswers.go?q
uestion_id=14072&category_id=18&index=3

[archbishop]

Very weird as the question is still on this page, albeit number 20, and due to disappear soon.