Vaughn L. Jackson, 79, an artist and illustrator who retired in 1991 as visual director of System Planning Corp. in Arlington, died of kidney failure Nov. 5 at Inova Fair Oaks Hospital.

Art and painting were Mr. Jackson's avocation as well as his vocation. He worked in watercolors, oils and acrylics as an illustrator and caricaturist. His work has been displayed at the Corcoran Gallery and in local and national competitions and exhibits. He produced more than 1,100 freelance designs and illustrations in advertising, technical and military publications, and he produced caricatures for private special occasions, such as retirements.

After his 1991 retirement, he continued to paint and exhibit out of his studio at Fairfax Station.

He was born in Raymond, Ohio, and attended Columbus Art School and Ohio State University. During World War II, he served in the Army in Europe and participated in the Battle of the Bulge.

After the war, he settled in the Washington area and began his career as a professional artist. He studied at the Corcoran School of Art and graduated from American University.

He was an artist and illustrator at the Bethesda-based operations research office of Johns Hopkins University and visual and graphics manager for Research Analysis Corp. and General Research Corp. in McLean before joining System Planning Corp. in Arlington in 1976.

Mr. Jackson was a member of the Fairfax Art League, the Virginia Watercolor Society and the Washington Watercolor Association. His awards included the Silver Medal of the Landscape Club of Washington and the first place award of the Washington Watercolor Association in 1988.

His wife, R. Joan Jackson, died in 1993.

Survivors include three children, R. Gwen Camp of North Hollywood, Calif., Colt Jackson of Woodbridge and Tobey A. Martin of Centreville; and three grandchildren.