Karl J. Niklas is the Liberty Hyde Bailey Professor of Plant Biology in the Department of Plant Biology at Cornell University. He is the author of Plant Biomechanics, Plant Allometry, and The Evolutionary Biology of Plants, all published by the University of Chicago Press. Hanns-Christof Spatz is professor emeritus of biophysics in the Faculty of Biology at the Albert-Ludwigs-Universitat Freiburg in Germany.
"Here's the physical world of plants in all its splendor - and multidimensionality - brought to bear on the rich diversity of both extant and extinct forms. Karl J. Niklas and Hanns-Christof Spatz's theme, which deserves attention, is that since plants (and animals, of course) cannot change physics, physical laws and processes must bear strongly on the course of their evolution." (Steven Vogel, Duke University)"