In practice for more than 30 years, he holds degrees from the University of Wisconsin, London School of Hygiene and Tropical Medicine, and Tulane School of Public Health and Tropical Medicine. Early in his career, Dr. Lettau was a medical missionary in Malawi (one year), Nicaragua (2 months), and Papua New Guinea (3 months). For two years he was a medical epidemiologist at the Centers for Disease Control in the Epidemic Intelligence Service (EIS) assigned to the Viral Hepatitis Branch of the Division of Viral Diseases.
Dr. Lettau has published (as first author) 20 scientific articles in medical journals and also published 15 short medical humor pieces on such subjects as “O.J. Fever Syndrome,” “Hepatitis Z,” and “J.C. is History” (the funeral of Joe Camel) in Annals of Internal Medicine, Infectious Diseases in Clinical Practice, and Stitches, a Canadian medical humor journal.
The medical thriller YELLOW DEATH is his first novel.