Dewey C. Holloway Jr., 51, an illustrator whose work as a visual information specialist with the Secret Service included graphics, logos and composite drawings and other forensic art, died of cancer July 27 at the Clinical Center of the National Institutes of Health, where he had undergone his second bone marrow transplant.

In 22 years with the Secret Service, Mr. Holloway designed security identification materials, did floor plans for agents and worked on presidential inaugurations and logo designs for the Olympics. He helped other federal agencies with designs and assisted the National Center for Missing and Exploited Children with age-progression portraits.

He also did caricatures and portraits that were exhibited locally and was a photographer.

Mr. Holloway, who lived in Springdale, was a native of Washington and a graduate of Coolidge High School. He attended Trinidad State Junior College in Colorado and graduated from Colorado State University.

He began his career as an illustrator with WTTG-TV and also had worked for Vitro Inc.

His interests included the clarinet and saxophone. He was a member of Climbing Tree Gallery, Federal Design Council and the Art Directors Club of Washington. He was a volunteer at St. Stephen and the Incarnation Episcopal Church in Washington.

Survivors include his parents, Dewey C. Holloway Sr. and Rene Holloway, both of Washington; a sister, Janice Withrow of Atlanta; and a brother, Air Force Tech. Sgt. Gregory Holloway of Anchorage.