Mixed Canonicity This article or section refers to elements from both Original Dune and Expanded Dune.
A Planetologist is an ecologist who studies the ecosystems of entire planets.
Two Corrino Empire Imperial Planetologists were Pardot Kynes and his son, Liet Kynes in the 101st century A.G. They were also Judges of the Change.
During the terra-forming of Salusa Secundus, during the first decade of the Imperial reign of Paul Atreides, the two planetologists assigned to oversee the huge project were Lars Siewesca and Qhomba. They were graduates of the School of Planetology in Arrakeen on Arrakis.