Sigma Xi


Sigma Xi: The Scientific Research Honor Society is a non-profit honor society for scientists and engineers which was founded in 1886 at Cornell University by a junior faculty member and a handful of graduate students. Members elect others on the basis of their research achievements or potential.

Information about

Sigma Xi has nearly 100,000 members who were elected to membership based on their research achievements and potential. It has more than 500 chapters in North America and around the world. In addition to publishing American Scientist magazine, Sigma Xi provides grants annually to promising young researchers and sponsors a variety of programs supporting ethics in research, science and engineering education, the public understanding of science, international research cooperation and the overall health of the research enterprise. The Society is based in Research Triangle Park, North Carolina.

Motto and name

The Greek letters "Sigma" and "Xi" form the acronym of the Society's motto, Σπουδῶν Ξυνῶνες or "Spoudon Xynones," which translates as "Companions in Zealous Research." The word 'Honor' was added to the name of the Society at the 2016 Annual Meeting. According to Sigma Xi President Tee L. Guidotti,
"Sigma Xi, of course, is our basic name and has been since the organization was founded in 1886 as the scientific and engineering counterpart to Phi Beta Kappa. Like all “Greek letter” societies, whether professional or social, it is an acronym for the motto of the organization, Σπουδων Ξυνωνες, which translates as "companions in Zealous Research." For many years, we were referred to as “Society of the Sigma Xi.” In the early twentieth century, some in the leadership wanted “Sigma Xi” to be dropped altogether in favor of some formulation such as “Scientific Research Society of America.” In a strange quirk of history, both names survived because the organization split in the 1940s into an academic honor society and an honor society for applied research and engineering. RESA was a separate entity, wholly owned by Sigma Xi, and represented engineers and scientists at non-academic institutions, such as government and industrial research laboratories. In an even stranger development, Sigma Xi and RESA merged back together in 1974 and eventually began calling itself Sigma Xi, The Scientific Research Society."

William Procter Prize

The William Procter Prize is a prestigious scientific research award by the society in the name of a member, William Procter, who later also endowed this award in 1950. This award recognizes outstanding contributions to scientific research and the ability to communicate the significance of the research to scientists in other disciplines.

Notable alumni

More than 200 winners of the Nobel Prize have been Sigma Xi members, including Albert Einstein, Enrico Fermi, Linus Pauling, Francis Crick and James Watson.