Charles Elmer Allen

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Charles Elmer Allen (October 4, 1872 in Horicon, Wisconsin – June 25, 1954) was an American botanist and cell biologist whose discoveries include the first documentation of sex chromosomes in plants.^[1] He was a member of the United States National Academy of Sciences and the American Philosophical Society,^[2]^[3] and held presidencies of the Botanical Society of America (1921), the Wisconsin Academy of Sciences, Arts and Letters (1931-1933), the American Society of Naturalists (1936), and the American Microscopical Society (1948). Allen was a professor at the University of Wisconsin for over 20 years.^[4]

References

^ Anderson, Lewis E. (2000). "Charles E. Allen and Sex Chromosomes". The Bryologist. 103 (3): 442–448. doi:10.1639/0007-2745(2000)103[0442:CEAASC]2.0.CO;2. JSTOR 3244131.
^ "Charles E. Allen". www.nasonline.org. Retrieved 2023-09-05.
^ "APS Member History". search.amphilsoc.org. Retrieved 2023-09-05.
^ Smith, Gilbert M. (1956). "Charles Elmer Allen, 1872-1954" (PDF). Biological Memoirs, National Academy of Sciences. 29: 1–15.

v t e Presidents of the Botanical Society of America
1894–1924	William Trelease (1894) Charles Edwin Bessey (1895) John Merle Coulter (1896) Nathaniel Lord Britton (1897) Lucien Marcus Underwood (1898) Benjamin Lincoln Robinson (1899) Byron Halsted (1900) Joseph Charles Arthur (1901) Beverly Thomas Galloway (1902) Charles Reid Barnes (1903) Robert Almer Harper (1904) William Ashbrook Kellerman (1905) Franklin Sumner Earle (1906) George Francis Atkinson (1907) William Francis Ganong (1908) Roland Thaxter (1909) Erwin Frink Smith (1910) William Gilson Farlow (1911) Lewis Ralph Jones (1912) Douglas Houghton Campbell (1913) A. S. Hitchcock (1914) John Merle Coulter (1915) Robert Almer Harper (1916) Frederick Charles Newcombe (1917) William Trelease (1918) Joseph Charles Arthur (1919) Nathaniel Lord Britton (1920) Charles Elmer Allen (1921) Henry Chandler Cowles (1922) Benjamin Minge Duggar (1923) William Chambers Coker (1924)
1925–1949	Jacob R. Schramm (1925) Liberty Hyde Bailey (1926) Harley Harris Bartlett (1927) Arthur Henry Reginald Buller (1928) Margaret Clay Ferguson (1929) Lester W. Sharp (1930) Charles Joseph Chamberlain (1931) George James Peirce (1932) Ezra Jacob Kraus (1933) E. D. Merrill (1934) Aven Nelson (1935) C. Stuart Gager (1936) Edmund Ware Sinnott (1937) Arthur Johnson Eames (1938) Karl McKay Wiegand (1939) Edgar Nelson Transeau (1940) John Theodore Buchholz (1941) Merritt Lyndon Fernald (1942) William Jacob Robbins (1943) Gilbert Morgan Smith (1944) Irving Widmer Bailey (1945) Neil Everett Stevens (1946) Ralph Erskine Cleland (1947) Henry Allan Gleason (1948) Ivey Foreman Lewis (1949)
1950–1974	Albert Francis Blakeslee (1950) Katherine Esau (1951) Edgar Anderson (1952) Ralph H. Wetmore (1953) Adriance S. Foster (1954) Oswald Tippo (1955) Harriet Creighton (1956) George Sherman Avery, Jr. (1957) Frits Warmolt Went (1958) William Campbell Steere (1959) Kenneth V. Thimann (1960) Vernon Cheadle (1961) G. Ledyard Stebbins (1962) Constantine John Alexopoulos (1963) Paul J. Kramer (1964) Aaron John Sharp (1965) Harold Charles Bold (1966) Ralph Emerson (1967) Arthur Galston (1968) Harlan Parker Banks (1969) Lincoln Constance (1970) Richard C. Starr (1971) Charles Heimsch (1972) Arthur Cronquist (1973) Theodore Delevoryas (1974)
1975–1999	Peter H. Raven (1975) Barbara Frances Palser (1976) Warren H. Wagner (1977) William August Jensen ( 1978) Herbert George Baker (1979) Charles Bixler Heiser (1980) Patricia Kern Holmgren (1981) Ernest M. Gifford, Jr. (1982) Barbara D. Webster (1983) Mildred Esther Mathias (1984) William Louis Stern (1985–86) Ray Franklin Evert (1986–87) Shirley Cotter Tucker (1987–88) W. Hardy Eshbaugh (1988–89) David Leonard Dilcher (1989–90) Beryl B. Simpson (1990–91) William Louis Culberson (1991–92) Gregory Joseph Anderson (1992–93) Grady Webster (1993–94) Harry T. Horner (1994–95) Barbara A. Schaal (1995–96) Daniel Crawford (1996–97) Nancy Dengler (1997–98) Carol C. Baskin (1998–99)
2000–present	Douglas E. Soltis (1999–2000) Patricia G. Gensel (2000–1) Judy Jernstedt (2001–2) Scott D. Russell (2002–3) Linda E. Graham (2003–4) Allison A. Snow (2004–5) Edward L. Schneider (2005–6) Christopher H. Haufler (2006–7) Pamela S. Soltis (2007–8) Karl J. Niklas (2008–9) Kent Holsinger (2009–10) Judith Skog (2010–11) Stephen G. Weller (2011–12) Elizabeth Kellogg (2012–13) Pamela Diggle (2013–14) Tom Ranker (2014–15) Richard Olmstead (2015–16) Gordon Uno (2016–17) Loren Rieseberg (2017–18) Andrea Wolfe (2018–19) Linda Watson (2019–20) Cynthia S. Jones (2020–21) Michael Donoghue (2021–22) Vivian Negron-Ortiz (2022–23) Brenda Molano-Flores (2023–24) Jenny Xiang (2024–2025)

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