Jackie Butler Jackie Butlers professional background includes work at the University of Texas Health Science Center conducting research about the genetics of bilateral retinoblastoma. She later worked at MD Anderson Cancer Center investigating remission in leuemia patients. A popular educator for more than thirty years at Grayson College, Jackie has taught microbiology and human anatomy and physiology for health science majors. Her experience and work with students of various educational backgrounds have contributed significantly to the revision of Holes Essentials of Human Anatomy & Physiology and Holes Human Anatomy & Physiology. Jackie Butler received her B.S. and M.S. degrees from Texas A&M University, focusing on microbiology, including courses in immunology and epidemiology. Read More Read Less