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During his life, he played a prominent role in his field. He was, at various times in his life, physics professor at the University of Texas, electrical engineering professor at Lehigh University, and the leader of the International Quaternion Society. He was also the author of a popular 1916 collection of Mathematical biographies, and the bibliographer in geometric algebra. Most importantly, he invented of hyperbolic quaternions, precursor to Minkowski space
He retired to Chatham, Ontario, Canada.