David L. Jickling, 83, a public administration expert who worked for the U.S. Agency for International Development in Asia and Latin America, died April 2 at a Philadelphia hospital. He had Lewy body dementia, a progressive brain disorder.

Dr. Jickling worked for USAID in the 1960s and 1970s, and his assignments included Bolivia, Nicaragua and Vietnam.

After retiring in 1978, he did consulting work for the International Union of Local Authorities, an organization based in The Hague that helps trains civil servants.

David Lee Jickling was born in Battle Creek, Mich., and graduated from the University of Chicago, where he also received master’s and doctoral degrees in public administration in the early 1950s. He served in the Army in 1946 and 1947.

Early in his career, he was a Navy Department management analyst.

He was a docent at the National Postal Museum in Washington. He was a member of All Souls Unitarian Church in Washington, where he led a Latin American discussion group.

He moved from Washington to Philadelphia in 2009. He had a second home in Antigua, Guatemala.

Survivors include his wife of 59 years, Cynthia Pirnie Jickling of Philadelphia; five children, Mark Jickling of Washington, Mary Saunders of Westhampton Beach, N.Y., Lucy Johnson of Englewood, N.J., Jon Jickling of Brookfield, Vt., and Andy Jickling of Philadelphia; a brother; and 13 grandchildren.

— Adam Bernstein