e-mail: paul@sut.ac.th
Expertise: Systematics and evolution of flowering plants, paleobotany, insect systematics (Diptera)

Educational Background:

Ph.D. (Biology), 1989, Indiana University, Indiana, USA
M.S. (Biological Sciences), 1979, University of Cincinnati, Ohio, USA
B.S. (Biology), 1977, Xavier University, Ohio, USA

Research Interests:

He is interested in the evolution, taxonomy, and biogeography of plants. His current projects include a study of fossil wood, leaves, and reproductive organs, especially of conifers, from the Cenozoic of Northern Thailand, and fruits and seeds from the Pleistocene of Nakhon Ratchasima, Northeastern Thailand.