FORT WASHINGTON, Md. - William R. "Bigfoot" Jackson, 55, died Saturday, July 22, 2001, in Waldorph, Md., following a sudden illness. Born Nov. 3, 1945, in Talcott, he was the son of Ada Wilson Jackson of Talcott and the late William Sidney Jackson. Mr. Jackson was a retired staff sergeant in the U.S. Army, serving 21 years, and was a veteran of the Vietnam Conflict and served on other overseas posts. He was owner of W.R. Jackson Enterprises in Waldorph. He attended Talcott school and earned the name "Bigfoot" through participating in sports under coach Dave Ballard. He was a member of Second Baptist Church, Talcott. He was preceded in death by a brother, James Michael Jackson. Other survivors include his wife, Jasmine Jackson; four sons, William R. Jackson Jr., Jonathan Jackson and their mother, Anna Marie Jackson, all of Fort Washington, and Teddy Jackson and Michael Jackson, both of Fort Washington; a sister, Patricia Jackson Anderson and her husband, Donald, of Columbus, Ohio; a granddaughter, Brittany Jackson; and several aunts, uncles, nieces, nephews, cousins and friends. Graveside service and burial will be 2 p.m. Monday at Arlington National Cemetery, Arlington, Va., with full military honors. Friends may call 9 to 11 a.m. Monday at Jinkins Funeral Home, Landover, Md. Information submitted by Pivont Funeral Home, Hinton.