Philip S. Callahan, Ph.D.
Personal Information
Description
Philip S, Callahan holds a Ph.D. in entomology from Kansas State University, and until recently was Professor of Entomology on the graduate faculty of the University of Georgia. Until 1969, he headed a project on the ecology and biology of small grain insects at the US. Department of Agriculture's Southern Grain Insect Research Laboratory at Tifton, Georgia. At present, Dr. Callahan is Professor of Entomology at the University of Florida in Gainesville, Florida, and entomologist at the Insect Attractants Behavior and Basic Biology Research Laboratory of the Agricultural Research Service, U.S. Department of Agriculture, Gainesville, Florida.
Books
My Search for Traces of God
In this very personal memoir by one of the worlds most beloved scientists, Dr. Philip Callahan's life story unfolds along with the development of his unique blend of science, natural philosophy and spirituality. Recounting incidents from his remarkable life and career, Callahan integrates his early scientific theories and overall religious philosophy with his more recent insights regarding low-level natural energies and the nature of space and time and the realm of the miraculous. He focuses on the scientific as well as religious implications of such sacred places as Medjugorje, Lourdes and Le Puy, and discusses in detail his scientific work surrounding the miraculous images of the Shroud of Turin and the Virgin of Guadalupe. Callahan delves into his own spiritual development and considers the physics of miraculous events. A fascinating read.
Birds and how they function
Discusses the evolution, physiology, and behavior of birds.
The magnificent birds of prey
Explores the characteristics, habitat, habits, and use in sport of various kinds of birds of prey. Also discusses their appearance in art and mythology and their need for protection.
Insect behavior
Explains the diverse and ingenious ways in which insects have adapted to their environments.
Basic semiconductor circuitry for ecological and behavioral studies of insects
Bird behavior
Describes the cleaning, feeding, courting, mating, and migrating habits of a variety of birds.