L'Institute for Advanced Study at Austin À ne pas confondre avec l'IAS. est un organisme de recherche privé (think tank) créé en pour explorer des concepts avancés dans des domaines scientifiques en vogue.

Its activities range from theoretical studies to publication in professional journals of such fundamental topics as gravitation, inertia, energy and cosmology.

The Institute has established a track record of excellence both with regard to publication in leading scientific journals, and in the development of new technical concepts and technologies, including the successful pursuit of patents. Its expertise is sought after by both corporate and government entities, and its personnel regularly brief various senior scientists, corporations, foundations, government agencies, the Executive Branch and Congress as consultants on leading-edge technologies and future technology trends. (An example is participation by the Institute personnel in NASA's Breakthrough Propulsion Physics Program, and briefing of senior scientist Edward Teller.)

The Institute's Director, Hal Puthoff, is a member and officer of several professional organizations (NY Academy of Sciences, American Association for the Advancement of Science, American Physical Society, Society for Scientific Exploration); is listed in American Men and Women of Science, Who's Who in Science and Engineering, Who's Who in the South and Southwest, Who's Who in the World; and has been distinguished as a Fetzer Fellow (1991).