Ronald M. Foster

R. M. Foster was a Bell Labs engineer working on electronic filters for use on telephone lines. He published an important paper, A Reactance Theorem,^[1] which quickly inspired Wilhelm Cauer to begin his program of network synthesis filters which put the design of filters on a firm mathematical footing.^[2]

References

^ Foster, R M, "A reactance theorem", Bell Systems Technical Journal, Vol. 3, pp259–267, 1924.
^ E. Cauer, W. Mathis, and R. Pauli, "Life and Work of Wilhelm Cauer (1900 – 1945)", Proceedings of the Fourteenth International Symposium of Mathematical Theory of Networks and Systems (MTNS2000), Perpignan, June, 2000. Retrieved online 19th September 2008.

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[1] Foster, R M, "A reactance theorem", Bell Systems Technical Journal, Vol. 3, pp259–267, 1924.

[2] E. Cauer, W. Mathis, and R. Pauli, "Life and Work of Wilhelm Cauer (1900 – 1945)", Proceedings of the Fourteenth International Symposium of Mathematical Theory of Networks and Systems (MTNS2000), Perpignan, June, 2000. Retrieved online 19th September 2008.

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