Volume 70 (2023): James P. Smith, Jr.
Volume 69 (2022): Lucinda McDade
Volume 68 (2021): Dean William Taylor
Volume 67 (2020): Jean H. Langenheim
Volume 66 (2019): Jessica Mae Orozco
Volume 65 (2018): Barbara Ertter
Volume 64 (2017): James D. Mauseth
Volume 63 (2016): Michael G. Simpson
Volume 62 (2015): Robert Patterson
Volume 61 (2014):
 David J. Keil

Volume 60 (2013):
 Bruce G. Baldwin
Volume 59 (2012): 
Dieter H. Wilken
Volume 58 (2011): Daniel J. Crawford
Volume 57 (2010): Michael G. Barbour
Volume 56 (2009): John L. Strother
Volume 55 (2008): John O. Sawyer, Jr.
Volume 54 (2007): Sherwin Carlquist
Volume 53 (2006): Daniel H. Norris
Volume 52 (2005): Harold Heady
Volume 51 (2004): Jean Langenheim

Volume 50 (2003): Wilfred B. Schofield
Volume 49 (2002): Donald R. Kaplan
Volume 48 (2001): June McCaskill
Volume 47 (2000): Robert Ornduff
Volume 46 (1999): Kenton L. Chambers
Volume 45 (1998): Robert Folger Thorne
Volume 44 (1997): Lauramay Tinsley Dempster
Volume 43 (1996): J.R. Haller
Volume 42 (1995): Howard Latimer
Volume 41 (1994): James R. Griffin

Volume 40 (1993): Harold A. Mooney
Volume 39 (1992): Jim Hickman and Larry Heckard
Volume 38 (1991): Harlan Lewis
Volume 37 (1990): Herb and Florence Wagner
Volume 36 (1989): Art Kruckeberg
Volume 35 (1988): Cornelius H. Muller
Volume 34 (1987): Herbert and Irene Baker
Volume 33 (1986): Marion Stilwell Cave
Volume 32 (1985): Rimo Bacigalupi
Volume 31 (1984): Frits Warmolt Went

Volume 30 (1983): Reid Moran
Volume 29 (1982): Jack Major
Volume 28 (1981): Daniel I. Axelrod
Volume 27 (1980): Carl W. Sharsmith
Volume 26 (1979): Mildred Esther Mathias
Volume 25 (1978): G. Ledyard Stebbins
Volume 24 (1977): Elizabeth McClintock
Volume 23 (1975-1976): Lincoln Constance
Volume 22 (1973-1974): Lyman Benson
Volume 21 (1971-1972): Wallace Roy Ernst

Volume 20 (1969-1970):
Volume 19 (1967-1968): John Thomas Howell
Volume 18 (1965-1966): Annetta Mary Carter
Volume 17 (1963-1964):
Volume 16 (1961-1962): Herbert Louis Mason
Volume 15 (1959-1960): Philip Alexander Munz
Volume 14 (1957-1958): Roxana Stinchfield Ferris
Volume 13 (1955-1956): Milo Samuel Baker
Volume 12 (1953-1954): Edwin Bingham Copeland
Volume 11 (1951-1952): Thomas Henry Kearney

Volume 10 (1949-1950): George James Peirce
Volume 9 (1947-1948): Daniel T. MacDougal
Volume 8 (1945-1946): Herbert John Webber
Volume 7 (1943-1944): Aven Nelson
Volume 6 (1941-1942): Francis Ramaley
Volume 5 (1939-1940): Louis Forniquet Henderson
Volume 4 (1937-1938): Willis Linn Jepson

Volume 3 (1935-1936):
Volume 2 (1930-1934): Thomas Nuttall

Volume 1 (1916-1929): Johann Friederich Escholtz