The Institute of General Semantics (IGS) is a not-for-profit corporation established in 1938 by Alfred Korzybski, to support research and publication on the topic of General Semantics. The Institute publishes Korzybski's writings, including the seminal text Science & Sanity, and books by other authors who have studied or taught general semantics, such as Robert Pula, Irving J. Lee, Wendell Johnson, and Stuart Chase. Every year since 1952, it has sponsored the Alfred Korzybski Memorial Lecture, with presenters from a broad range of disciplines, from science to medicine to entertainment, including names like actor Steve Allen, psychologist Albert Ellis, scientist and visionary R. Buckminster Fuller, linguist Allen Walker Read, and philosopher F. S. C. Northrop. The Institute offers periodic seminars, workshops and conferences on general semantics at its headquarters in Fort Worth, Texas. Its membership rolls have included members from 30 different countries. The Institute of General Semantics publishes: