In 1956, he got Ph.D. from the University of Washington, his dissertation was "Theory of Connections".
His dissertation was "Theory of Connections". In 1956, he earned a Ph.D. from the University of Washington.
In 1956, he earned a Ph.D. from the University of Washington. His dissertation was "Theory of Connections".
In 1956, he earned a Ph.D. from the University of Washington. His dissertation was "Theory of Connections".