Richard H. Lathwell

Richard (Dick) Henry Lathwell was the 1973 recipient (with Larry Breed and Roger Moore) of the Grace Murray Hopper Award from the Association for Computing Machinery.

"For their work in the design and implementation of APL/360, setting new standards in simplicity, efficiency, reliability and response time for interactive systems."^[1]

References

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APL programming

Features

• APL syntax and symbols
• Direct function (dfn)
• Code pages
• Iverson bracket
• Rank
• Shared Variables

Implementations

Major	Dyalog APL APL2 → APLX SHARP APL NARS → NARS2000°
Dialects	A → A+° APLNext → VisualAPL ELI GNU APL° J° kdb+ K, Q Polymorphic Programming Language (PPL)

Community

Professional associations	Association for Computing Machinery: SIGAPL British APL Association
Organizations	Business Analogic Corporation APL2000 CompuServe Digital Equipment Corporation (DEC) DNA Systems Dyalog Ltd. IBM I. P. Sharp Associates Kx Systems Micro Computer Machines (MCM) Science Research Associates Scientific Time Sharing Corporation (STSC) Soliton Incorporated Telecompute Integrated Systems, Inc. Time Sharing Resources (TSR) Education Carnegie Mellon University (CMU) University of Maryland
People	Phil Abrams Bob Bernecky Larry Breed Charles Brenner Fred Brooks Jim Brown Adin Falkoff Patrick E. Hagerty Herbert Hellerman Roger Hui Kenneth E. Iverson Dick Lathwell Eugene McDonnell Robert Metzger Roger Moore Alan Perlis John Scholes J. Henri Schueler Bob Smith Edward H. Sussenguth Jr. Arthur Whitney William Yerazunis Rodnay Zaks
Iverson Award

• Italics = discontinued
• ° = Open-source software
  Commons Category

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