Dr. Trent Stephens holds B.S. and M.S. degrees in Zoology from Brigham Young University and a Ph.D. in anatomy from the University of Pennsylvania. Trent teaches human anatomy, neuroanatomy, and embryology. His skill as a biological illustrator has greatly influenced every illustration in his texts.
Dr. Philip Tate earned B.S. degrees in both mathematics and zoology and an M.S. in ecology from San Diego State University. He earned his doctorate in biological education from Idaho State University. Phil has taught anatomy and physiology to all levels of students: nursing and allied health, physical education, and biology majors.