Adin Falkoff

Adin Falkoff bigraphy, stories - Researcher at IBM Research

Adin Falkoff : biography

19 December 1921 – 13 August 2010

Adin D. Falkoff (19 December 1921 – 13 August 2010) was an engineer and computer systems and programming systems designer who was predominantly known for his work on the APL programming language and systems for IBM.


Category:IBM employees Category:City College of New York alumni Category:Yale University alumni Category:1921 births Category:People from New Jersey Category:2010 deaths

Representative publications

  • Adin D. Falkoff, "Algorithms for Parallel-Search Memories". Journal of the ACM 9:4:488-511 (1962)
  • Adin D. Falkoff, Kenneth E. Iverson, Edward H. Sussenguth Jr., . IBM Systems Journal 3:3:198-262 (1964)
  • Falkoff, A.D., and K.E. Iverson, APL360 User’s Manual, IBM Corporation, 1968-08.
  • Falkoff, A.D., and K.E. Iverson, "The Design of APL", IBM Journal of Research and Development 17:4, 1973-07.
  • Falkoff, A.D., and K.E. Iverson, "The Evolution of APL", ACM SIGPLAN Notices 13:8, 1978-08.
  • Falkoff. A.D., and K.E. Iverson, A Source Book In APL, APL Press, 1981
  • Falkoff, A.D., "The IBM Family of APL Systems", IBM Systems Journal 30:4, 1991-12.


Falkoff, born in New Jersey, received a B.Ch.E. from the City College of New York in 1941, and an M.A. in Mathematics from Yale University in 1963.

He was a researcher and manager at IBM Research since 1955 for over forty years before retiring.Cf. in letter of recommendation for his wife, Dr. Linda D. Misek-Falkoff, to the Internet Governance Caucus IGF Multi-Stakeholder Advisory Group He collaborated with Ken Iverson from 1960 to 1980 on the design, development, and usage of the APL programming language and its interactive environment.

Of special note is his landmark article, A Formal Description of System/360, describing the then new IBM System/360 computer system, formally, in APL programming notation.

Falkoff was a visiting member of the faculty of IBM’s Systems Research Institute, and taught Computer Science at Yale University. He was one of the researchers who established and managed the IBM Philadelphia Scientific Center and received numerous awards for his work, especially for his work with APL.