Reciprocal System Research Society

The Reciprocal System Research Society (RS2), formerly the International Society of Unified Science, is a 501(c)(3) non-profit, educational, scientific institution dedicated to promoting the Reciprocal System of theory originally published by Dewey B. Larson in his 1959 book, The Structure of the Physical Universe. The society is based in Salt Lake City, Utah, USA.

Corporate Documents

Board of Trustees

  • David Halprin, Australia
  • Phillip Porter, United States
  • Robin Sims, Canada
  • Gopi Krishna Vijaya, India


  • President: Phillip Porter
  • Vice President: Gopi Krishna Vijaya
  • Secretary: John Robinson
  • Treasurer: John Robinson

R&D Team


  • Director Human Resources: John Robinson
  • Webmaster: Phil Porter

International Society of  Unified Science
Reciprocal System Research Society

Salt Lake City, UT 84106

Theme by Danetsoft and Danang Probo Sayekti inspired by Maksimer