Arthur Whitney (computer scientist)

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Arthur Whitney is a Canadian computer scientist most notable for developing the APL-inspired programming languages A+ and K.[1] He also wrote the initial prototype of J, a terse and macro-heavy single page of code, in one afternoon, which then served as the model for J implementor Roger Hui, and was responsible for suggesting the rank operators in J.[2]

He studied pure mathematics at graduate level at the University of Toronto (Canada) in the early 1980s.[3] He then worked at Stanford University (California, USA). Currently he is the CEO and co-founder of Kx Systems.[1]


  1. ^ a b An Interview with Arthur Whitney, Kx CEO and Developer of Kx Technology, Kx Systems, January 4, 2004.
  2. ^ Iverson, K. E. (1991), "A personal view of APL", IBM Systems Journal 30 (4): 582–593, doi:10.1147/sj.304.0582 .
  3. ^ A Conversation with Arthur Whitney, ACM Queue, April 20, 2009.

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