Agnes Arber
E. Charles Vivian & W. Lockwood Marsh
Addison Darre Crabtre
W. H. Davenport Adams
Charles H. Caffin
Frederick A. Talbot
Daniel Hack Tuke
Albert H. Buck
James Braidwood
Herbert N. Casson
Arthur Berry
Silvio A. Bedini
Brendan P. Kehoe
Robert Hoe
Edward Nicholson
William Tebb & Edward Perry Vollum
Frank Cousins & Phil M. Riley
Julius von Sachs
Gilbert White
Willis J. Abbot
Friedrich Prinzing
Ray D. Burkett
James Croil
Sidney Young
