Charles L. Williams Jr., 96, a public health doctor and former deputy director of an international health organization, died Jan. 5 at Montgomery Hospice’s Casey House in Rockville. He was a Chevy Chase resident.

He had acute cholecystitis, a gall-bladder condition, a daughter, Katherine W. Wineberg, said.

After 26 years in the U.S. Public Health Service, Dr. Williams became deputy deputy director of the Pan American Health Organization, a branch of the World Health Organization, in 1967. In 1979, he became executive vice president of the American Association for World Health, a now-defunct WHO support organization. He retired in 1980.

Charles Laval Williams Jr. was a New Orleans native and a 1940 medical school graduate of Tulane University in New Orleans. In 1945, he received a master’s degree in public health from the University of Michigan.

He represented the United States in international health conferences and was a director of international research at the National Institutes of Health.

Dr. Williams was a fellow of the American Public Health Association and a member of the American Society of Tropical Diseases and Hygiene. His scholarly articles appeared in the American Journal of Public Health and other publications.

His first wife, Alice Griesemer Williams, died in 1945. His second wife, Ellen Ustick Williams, died in 2008 after 62 years of marriage.

Survivors include two daughters from his second marriage, Ellen C. Williams of Falls Church and Katherine W. Wineberg of Jamestown, R.I.; five grandchildren; and four great-grandchildren.

Megan McDonough