In the spring of 1987, George Klein, a brilliant Swedish microbiologist, embarked on a long journey from Europe to Vancouver, Canada. Klein was a prominent cancer specialist, professor of tumor biology -- a chair created especially for him -- at the Karolinska Institute in Stockholm. He wrote or contributed to over 1,000 research papers and was the recipient of numerous awards for scientific excellence. Internationally recognized, Klein regularly attended conferences that brought together leading scientists in his field.