The author Leland L. Smith is Professor Emeritus of Biochemistry, University of Texas Medical Branch at Galveston,TX, now living in retirement in Austin,TX, following almost fifty years in pursuit of biomedical interests. He was active in biomedical education, teaching medical and graduate students, and conducted work on analysis, synthesis, and metabolism of steroids, antibiotics, antimalarial drugs, polycyclic aromatic hydrocarbons, and physiologically active natural products at Columbia University, Worcester Foundation for Experimental Biology, Southwest Foundation for Research & Education, and the University of Texas Medical Branch, also with ten years in the ethical pharmaceutical industry at Lederle Laboratories and Wyeth Laboratories.