Open this photo in gallery:Canada forward Jean-Paul Parisé loses his composure and threatens referee Josef Kompalla with his stick during the conclusive game of the 1972 Summit Series.Unknown/IIHF Archives/SuppliedSave for laterIn one week in 1972, Josef Kompalla went from being an unknown to the most hated man in Canada.The German hockey referee became the target of nationalist enmity while officiating two of the games of the legendary Summit Series, pitting the Soviet Union’s national team against all-star Canadian professionals from the National Hockey League.Mr. Kompalla, who has died in Germany at the age of 90, was called a Nazi, a...