Log In

James Lee Massey Edit Profile

Electrical engineering educator

James Lee Massey, American electrical engineering educator. Designed the International Data Encryption Algorithm. Recipient Marconi Fellowship, 1999.


Massey, James Lee was born on February 11, 1934 in Wauseon, Ohio, United States. Son of Charles Arnold Massey and Ethel (Pry) Sperry.


Bachelor of Science in Electrical Engineering, University Notre Dame, 1956. Master of Science in Electrical Engineering, Massachusetts Institute of Technology, 1960. Doctor of Philosophy, Massachusetts Institute of Technology, 1962.

Doctor Technology (honorary), University Lund, Sweden, 1990.


Professor electrical engineering University Notre Dame, Notre Dame, Indiana, 1962-1977. Professor system science University of California at Los Angeles, 1977-1980. Professor electrical engineering Swiss Federal Institute of Technology, Zurich, 1980—1998, professor emeritus, since 1998.

Adjunct professor University Lund, Sweden, since 1999.


  • Designed the International Data Encryption Algorithm.


1st lieutenant United States Marine Corps, 1956-1959. Fellow Institute of Electrical and Electronics Engineers, American Academy Arts and Sciences. Member Institute of Electrical and Electronics Engineers Information Theory Society (Paper award 1964, Shannon lecturer 1988), International Association for Cryptologic Research (president 1986-1988, Swiss Academy Engineering Sciences, United States National Academy Engineering.


Married Kathryn Jean Kramper, June 28, 1958 (divorced 1977). Children: Thomas A., Robert B., Peter C., John D. Married Lis Kofod Mogensen, June 24, 1977.

Children: Flemming, Jesper.

Charles Arnold Massey Sperry

Ethel (Pry) Sperry

Kathryn Jean Kramper

Lis Kofod Mogensen

Thomas A. Massey

Robert B. Massey

Peter C. Massey

John D. Massey

Flemming Massey

Jesper Massey