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Language peer sets for IPL-II:
United States
United States/1955
Designed 1955
1950s languages
Second generation
Early Cold War
Genus List
String and List Processing
Rank 1 unlabelled
Rank 1
Rank 1 unlabelled/1955
Rank 1/1955
List/United States
Rank 1 unlabelled/United States
Rank 1/United States
String and List Processing
String and List Processing/1955
String and List Processing/us


Information Processing Language version 2 

alternate simple view
Country: United States
Designed 1955
Genus: List
Sammet category: String and List Processing

First running version of IPL, and ran on the JOHNNIAC

Said by Sammet to be "one of the most significant events that has ever occurred in programming."

Related languages
EASY FOX IPL-II   Written using
IPL IPL-II   Implementation of
IPL-II IPL-III   Evolution of

  • Ware, Willis H. (1966) Ware, Willis H. "JOHNNIAC Eulogy" RAND July 1979 Corp. document P-3313, March 1966, pp. 1l-12 Extract: Notable uses of JOHNNIAC
  • Knuth, Donald E. (1968) Knuth, Donald E. The Art of computer programming, Addison-Wesley Publishing Company Reading, MA 1968 Extract: History And Bibliography
  • Simon, H. A.; Newell, A. (1986) Simon, H. A.; Newell, A. "Information Processing Language V on the IBM 650" Extract: IPLs
          in [AHOC] (1986) Annals of the History of Computing, 08(1) January 1986 (IBM 650 Issue)
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