Iota Sigma Pi an American honor society for women in the sciences, especially chemistry. It was created by the merger of three chemistry honor societies for women established in the early 20th century.[1] Alchemi formed at the University of California in 1900 spread to the University of Southern California and Stanford University.[1] In 1911, a chemistry honor society was established at the University of Washington.[1] A third honor society, Iota Sigma Pi, was established at the University of Nebraska in 1912.[1] The latter two societies merged as Iota Sigma Pi in 1913 and were joined by the three chapters of Alchmi in 1916.[1]

Following is a list of Iota Sigma Pi chapters, with active chapters indicated in bold and inactive chapters in italics.[1][2][3]

Chapter Charter date Institution (former) Location Status References
Hydrogen 1900 University of California, Berkeley Berkeley, California Active [4][5][a]
Oxygen 1911 University of Washington Seattle, Washington Inactive [b]
Nitrogen 1912 University of Nebraska–Lincoln Lincoln, Nebraska Inactive [6]
Carbon 1913 Stanford University Stanford, California Inactive [a]
Sulfur 1914 University of Southern California Southern California Inactive [a]
Phosphorous 1917 University of Michigan Ann Arbor, Michigan Inactive
Tungsten 1918–1970 University of Colorado Boulder Boulder, Colorado Inactive [7]
Iodine 1918 University of Illinois Urbana-Champaign East Central Illinois Inactive [8]
Aurum 1920–1993 Iowa State University Ames, Iowa Inactive [9]
Ytterbium 1920 Yale University New Haven, Connecticut Inactive
Helium 1921 University of Oklahoma Norman, Oklahoma Inactive
Mercury 1923 University of Minnesota Minneapolis and Saint Paul, Minnesota Active
Radium May 26, 1923 University of Cincinnati Cincinnati, Ohio Active [10][c]
Platinum 1924 University of Denver Denver, Colorado Inactive
Kalium 1924 University of Kansas Lawrence, Kansas Inactive
Fluorine 1925 Western Reserve University Cleveland, Ohio Active
Iridium 1926 University of Iowa Iowa City, Iowa Inactive
Indium 1930 Indiana University Bloomington Bloomington, Indiana Active [11]
Palladium 1930 Pennsylvania State University University Park, Pennsylvania Inactive
Tellurium 1930 University of Texas at Austin Austin, Texas Inactive
Polonium 1937 George Washington University Washington D.C. Inactive
Aurum Iodide 1939 Chicago, Illinois Active [12][d]
Uranium 1947 Texas State University Denton, Texas Inactive
Columbium 1947 Columbia University New York City, New York Inactive
Chlorine 1949 Louisiana State University Baton Rouge, Louisiana Active
Manganese 1951 Hunter College New York City, New York Inactive
Niobium 1960 Oregon State University Corvallis, Oregon Inactive
Osmium 1963 Ohio State University Columbus, Ohio Active [13]
Plutonium 1963 Purdue University West Lafayette, Indiana Active [14][e]
Vanadium 1965 Fordham University New York City, New York Active
Neptunium 1966 University of Houston Houston, Texas Inactive
Cobalt 1971 Marian College Indianapolis, Indiana Inactive [14][e]
Curium 1973 Washington D.C. Inactive
Ruthenium 1974 Rutgers University–New Brunswick New Brunswick, New Jersey Inactive
Samarium 1978 South Bend, Indiana Inactive
Argentum 1979 Mary Baldwin College Staunton, Virginia Active
Promethium 1979 Portland, Oregon Inactive
Molybdenum 1981 Boston, Massachusetts Inactive
Technetium 1987 Rochester, New York Inactive
Scandium 1989 Furman University Greenville, South Carolina Inactive
Lanthanum 1998 Randolph College, Sweet Briar College, and University of Lynchburg Lynchburg, Virginia Active [15]
Cadmium 2004 Albany, New York Inactive
Einsteinium 2004 Tulsa Oklahoma Active
Calcium 2005 Southern California Active
Iron 2011 Greensboro, North Carolina Active
Meitnerium 2020 Denver and Fort Collins, Colorado Active
Protactinium February 7, 2025 Lehigh Valley, Pennsylvania Active [16]
Hillsdale College Hillsdale, Michigan Active [17]
New York University New York City, New York Active [18]
Macalester College Saint Paul, Minnesota Active [19]
University at Buffalo Buffalo, New York Active [20]
Members-at-Large Active

Notes

  1. ^ a b c Formed from a chapter of Alchemi, a regional three-chapter honor society.
  2. ^ Chapter formed from a local chemistry honor sorority.
  3. ^ Chapter formed from Sigma Kappa, a local organization for women chemistry majors that was established in 1921.
  4. ^ Chapter was formed for Chicago alumnae.
  5. ^ a b Marian College was affiliated with Plutonium until May 1971 when it split off as Cobalt.

References

  1. ^ a b c d e f Robson, John, ed. (1963). Baird's Manual of American College Fraternities (17th ed.). Menasha, Wisconsin: The Collegiate Press, George Banta Company, Inc. pp. 612-613.
  2. ^ "Chapters". Iota Sigma Pi. Retrieved 2025-03-21.
  3. ^ Anson, Jack L. and Marchesani Jr. Robert F., eds. Baird's Manual of American College Fraternities, 20th edition. Indianapolis: Baird's Manual Foundation, 1991. p. VI-120. ISBN 0-9637159-0-9   
  4. ^ "Iota Sigma Pi, Hydrogen Chapter". University of California, Berkeley. Retrieved 2025-03-23.
  5. ^ "Iota Sigma Pi - Hydrogen Chapter". Explore Our STAR Database | University of California, Berkeley. Retrieved 2025-03-23.
  6. ^ "Iota Sigma Pi, Nitrogen Chapter, Student Life Records". University of Nebraska. Retrieved 2025-03-23.
  7. ^ "CU Iota Sigma Pi Tungsten Branch Records". University of Colorado Boulder. Retrieved 2025-03-23.
  8. ^ "Iota Sigma Pi Records, 1915-74". University of Illinois Archives Holdings Database. Retrieved 2025-03-23.
  9. ^ "Iota Sigma Pi. Aurum Chapter records". Iowa State University Library. Retrieved 2025-03-23.
  10. ^ Reller, Suzanne (January 13, 2010). "Iota Sigma Pi Collection Added to the University Archives | LiBlog". University of Cincinnati. Archived from the original on 2024-11-08. Retrieved 2025-03-23.
  11. ^ "Organizations | Department of Chemistry". Indiana University Bloomington. Retrieved 2025-03-23.
  12. ^ "Home". Iota Sigma Pi: Aurum Iodide Chapter. Retrieved 2025-03-23.
  13. ^ "Iota Sigma Pi, a National Honor Society for Women in Chemistry | CBC Undergraduate Program". Ohio State University. Retrieved 2025-03-23.
  14. ^ a b "History". Iota Sigma Pi Plutonium Chapter. Retrieved 2025-03-23.
  15. ^ "Academic Honor Societies". Academics at Randolph College. Retrieved 2025-03-23.
  16. ^ Wiester, Julia (2025-02-19). "Congratulations to our newest chapter, Protactinium". Iota Sigma Pi. Retrieved 2025-03-22.
  17. ^ "Iota Sigma Pi". Hillsdale College. Retrieved 2025-03-23.
  18. ^ "Student Organizations | Department of Chemistry". New York University. Retrieved 2025-03-23.
  19. ^ "Awards and Honors". Macalester College. Retrieved 2025-03-23.
  20. ^ "Awards | Chemistry". SUNY Buffalo State University. Retrieved 2025-03-23.
Allikas: https://en.wikipedia.org/wiki/List_of_Iota_Sigma_Pi_chapters
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