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Isaac M. Horowitz Edit Profile

writer , control research consultant

Isaac M. Horowitz, American Control research consultant, writer. Achievements include patents in magnetic amplifiers, phase-locked loop; founder and developer of quantitative feedback theory (QFT). M C. Fellow International Elec. and Electronics Engineers.


Horowitz, Isaac M. was born on December 15, 1920 in Safed, Galilee, Israel. Came to the United States, 1951. Son of Yeshayahu Y. Horowitz and Feige Loberboim.


Bachelor of Science with honors, University Manitoba, Canada, 1944. Bachelor of Electrical Engineering, Massachusetts Institute of Technology, 1948. Master of Electrical Engineering, Polytechnic Institute New York, 1953.

DEE, Polytechnic Institute New York, 1956.


Design engineer, Taller & Cooper, Brooklyn, 1948;electronic engineer, Israel Defense Army, Haifa, 1948-1950;electronic engineer, Halross Instruments, Winnipeg, Canada, 1950-1951;from instructor to assistant professor, Polytechnic Institute Brooklyn, 1951-1958;senior staff, Hughes Reserve laboratories, Malibu, California, 1958-1962;senior scientist, Hughes Aircraft Company, Culver City, California, 1962-1967;professor, U. Colorado, Boulder, 1967-1985;professor, University of California, Davis, 1985-1991;consultant and writer, Boulder, since 1991. Consultant Israel Aircraft Company, Lod, 1969-1972, Flight Dynamics Laboratory, WPAFB, Dayton, Ohio, 1983-1992, Sandia National laboratories, Livermore, California, since 1991. Professor Cohen Chair, Weizmann Institute Science, Rehovot, Israel, 1969-1985.

District visiting professor Air Force Institute Technology, WPAFB, 1983-1992.


  • Achievements include patents in magnetic amplifiers, phase-locked loop. Founder and developer of quantitative feedback theory (QFT).


Fellow International Electrical and Electronics Engineers.


Married Chana Shankman, September 15, 1945 (divorced December 1984). Children: Sharon, Ruth, David, Dafna. Married Gloria T. August, December 24, 1984.

Children: Matanya, Benyakir.

Yeshayahu Y. Horowitz

Feige Loberboim

Chana Shankman

Gloria T. August

Sharon Horowitz

Ruth Horowitz

David Horowitz

Dafna Horowitz

Matanya Horowitz

Benyakir Horowitz