Van Dyke A. Walker Sr., 74, an industrial arts teacher at Randall Junior High School in Washington from 1930 until his retirement in 1972, died of cancer Saturday at Greater Southest Community Hospital.

Mr. Walker also had been a member of the Ebenezer United Methodist Church, where he was a trustee for 20 years and chairman of the administrative board for the past five years; a vice chairman of the District Area Boy Scouts of America, which conferred on him its Silver Beaver Award; a president of the Southeast Civic Association; a board member of Southeast House, and a Mason.

A native of Franconia in Fairfax County, Mr. Walker grew up there.He graduated from the old Miner Teachers College in Washington and later attended Hampton Institute and Howard and Penn State universities.

Apart from his work as a teacher, Mr. Walker was a treasurer of the Randell PTA and of the Manassas Scholarship Foundation; a member of the Capitol Hill Kiwanis Club; a member of Chapter 2881 of the American Association of Retired Persons; the Metropolitan Police Boys Club and D.C. Lodge 1-F of the Fraternal Order of Police.

In addition to the honor he received from the Boy Scouts, he received awards from the Valley Forge Freedom Foundation, the Washington Federation of Civic Associations, the Southeast Civic Association and the D.C. Congress of the PTA.

He was a Mason and a member of the Most Worshipful Prince Hall Grand Lodge of Virginia, the Magnus Temple No. 3 and the United Supreme Council, 32nd Degree. He also was a member of Mount Vernon Enterprise Lodge No. 3488 3f the Odd Fellows and of the Ester Household of Ruth No. 1948.

His wife, the former Dorothy Trimmer, died in May. The couple lived in Washington.

Survivors include a son, Van Dyke A. Jr., of Trenton, Ill., a brother, Dumont, of Franconia; three sisters, Alma Bushrod, Winnie Spencer and Geneva Jones, all of Franconia, and one grandson.

The family suggests that experssions of sympathy be in the form of contributions to the Ebenezer United Methodist Church Mortgage Fund.