Llewellyn J. Legters, 67, a retired professor at the Uniformed Services University of the Health Sciences who also had served as a colonel in the Army Medical Corps, died of cancer Aug. 19 at his home in Solomons.

Dr. Legters headed the department of preventive medicine and biometrics at the university from 1980 to 1997. Under his guidance, the departmental faculty grew from five to more than 40. He was a specialist in tropical medicine, and he published more than 40 papers in professional journals.

He was a member of the American Society of Tropical Medicine and Hygiene, the American College of Preventive Medicine, the American Society for the Advancement of Science, the American College of Physicians and the American Public Health Association.

In his Army career, from 1957 to 1978, Dr. Legters served three tours of duty in Vietnam, where he was assigned to the Army Special Forces and conducted epidemiological studies in the countryside. He also served in Germany and at various military posts in the United States, including Washington. He was a graduate of the Army War College and the Command and General Staff College.

Dr. Legters's last assignment before retiring from the service was commander of the medical department of the 18th Airborne Corps at Fort Bragg, N.C. He was a senior medical scientist with Enviro Control, Inc., in Rockville, before joining the faculty of the Uniformed Services University.

His military decorations included three awards of the Legion of Merit, two awards of the Meritorious Service Medal and the Army Commendation Medal and the Gorgas Medal of the Association of Military Surgeons of the United States.

Dr. Legters was born in Clymer, N.Y. He graduated summa cum laude from the University of Buffalo in 1952 and received his medical degree from Buffalo in 1956. He received a master's degree in public health at the Harvard School of Public Health and completed a fellowship in tropical medicine and parasitology at Louisiana State University. He did a residency in preventive medicine at the Walter Reed Army Institute of Research.

Dr. Legters was a member of the Bowie-Crofton Camera Club and had won several awards at photographic exhibits since his retirement.

His marriage to Nancy N. Legters ended in divorce.

Survivors include his wife, Linda Brink of Solomons; two children from his first marriage, Denise Legters-Uehara of Oceanside, Calif., and John N. Legters of Fairfax; a sister, Maxine Legters of Clymer; and a granddaughter.