Backeberg, Curt (1894–1966)—author of Die Cactaceae (in six volumes 1958–62) condensed into Das Kakteenlexikon (one volume, 1966) and describer of many new cactus genera and species.
Dr. Rose (1862–1928) is best known as the junior author of the great monograph, The Cactaceae, written in collaboration with Nathaniel Lord Britton
Adanson, Michel (1727–1806)—colonial discoverer of the genus Adansonia, the Baobab tree, which is named in his honor and describer of the genus Kalanchoe, among others.
The original Chuck Staples archives resources have been saved to a new location.