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W Van  Snyder's Picture
Jet Propulsion Laboratory
M/S 183-701
4800 Oak Grove Drive
Pasadena, CA 91109
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W Van Snyder

  • B.S., Computer Science, Summa cum laude, West Coast University (1974)
  • M.S., Applied Mathematics, Summa cum laude, West Coast University (1976)

Research Interests
  • Libraries of reusable mathematical software
  • Reliable, efficient and maintainable application software to support engineering and scientific activities
  • International standard for the Fortran computer programming language


MLS - Microwave Limb Sounder Icon MLS - Microwave Limb Sounder
The Microwave Limb Sounder (MLS) experiments measure naturally-occurring microwave thermal emission from the limb (edge) of Earth's atmosphere to remotely sense vertical profiles of atmospheric gases, temperature, pressure, and cloud ice.

Professional Experience
  • Jet Propulsion Laboratory (1967-present)
    • Mathematician and software engineer, Microwave Atmospheric Science (2000-present)
    • Mathematician and software engineer, Ocean Science (1996-2000)
    • Mathematician and software engineer, Applied Mathematics Group (1974-1996)
    • Cross-charge Computer programmer (1967-1974)
  • West Coast University, Adjunct Associate Professor of Computer Science (1976-1992)
  • Reynolds and Reynolds Co. (1966-1967)
    • Dayton OH, Computer programmer (IBM 1401) (1966-1967)
    • North Hollywood, CA, Computer Operator (1966)
  • Caltech (1964-1966)
    • Undergraduate Student, Lab Technician, Material Science Lab (Engr. 91)

Professional Service

  • Associate Editor, ACM Transactions on Mathematical Software, 1996-present
  • Member, ISO/IEC JTC1/SC22/WG5 Fortran committee, 1997-present
  • Member, ANSI/INCITS/PL22.3 Fortran committee, 1997-present
    • International Representative, 2001-2015
    • Treasurer, 2006-present
  • Member, International Federation for Information Processing
    • Working Group 2.5 (Numerical Software), 2000-present
    • Working Group 2.5 Vice-Chair, 2011-present

Selected Publications
  1. Test results with quadrature software - 1977, proceedings, 1977 ACM/SIGNUM Fall Conference, Albuquerque, NM (With Fred T. Krogh)
  2. Preliminary test results with multidimensional quadrature software, JPL Section 366 Internal Computing Memorandum 442 (17 July 1978) (With Fred T. Krogh)
  3. A transportable system for management and exchange of programs and other text, Proceedings, Conference on the Environment for the Production of Mathematical Software, Pasadena, CA (October 1978), ACM Transactions on Mathematical Software 9, 4 (December 1983) (With Richard J. Hanson), NASA Tech Brief NPO-16357 (Fall 1985)
  4. Algorithm 531: Contour Plotting, ACM Transactions on Mathematical Software 4, 3 (September 1978)
  5. A support enfironment for Software Tools, Proceedings JPL-ACM/SIGNUM Conference on the Computing Environment for Mathematical Software, SIGNUM Newsletter (October 1981) (With Fred T. Krogh)
  6. The gravitational field of a disk, Celestial Mechanics 26 (1982) 295-405 (With Fred T. Krogh and Edward W. Ng)
  7. Algorithm 699: A new representation of Patterson's quadrature formulae, ACM Transactions on Mathematical Software 17, 4 (December 1991) 457-461 (With Fred T. Krogh)
  8. Fresnel Integrals, ACM Transactions on Mathematical Software 19, 3 (September 1993)
  9. Classifying software for reuse, NASA Tech Brief NPO-18530 (August 1993)
  10. MATH77 and mathc90 , Release 5.0, Jet Propulsion Laboratory internal document JPL D-1341, Rev. D. (November 1994) (With Charles L. Lawson and Fred T. Krogh)
  11. Testing functions of one and two arguments, in R. F. Boisvert (ed.), Quality of Numerical Software, Assessment and Enhancement, Chapman and Hall, London (1977) 0-412-80530-8
  12. Chapter on Fortran in 'Accuracy and Reliability in Scientific Programming', SIAM (2005) (Bo Einarsson, Ed.).

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