Peter Roberts, 76, a retired Foreign Service officer and State Department program and planning director, died of Parkinson's disease Jan. 14 at Shady Grove Adventist Hospital. He had had a home in Chevy Chase since 1955.

Mr. Roberts retired from State in 1970 as director of the office of program planning and development for educational and cultural affairs for Europe.

A native of Dublin, he came to this country in 1929 and settled in Pittsburgh, where he studied music at Carnegie-Mellon University. He later studied political science at Harvard University.

Mr. Roberts served abroad in several assignments, starting in World War II as an Army war-crimes investigator in Germany. He continued to work in Germany after the war as a chief translator for the Allied Control Secretariat, an organization and methods examiner for the Office of Military Government and a consulate information officer.

From 1954 to 1964, he worked at State Department headquarters and as a consul in Spain and Venezuela.

Mr. Roberts returned to Washington in 1964 to become deputy director of the department of foreign affairs at State.

Over the remaining six years of his career he was was detailed to several international scientific treaty conferences, including meetings on the law of the sea, international weights and measures and Antarctica.

Survivors include his wife, Gertrude Roberts of Chevy Chase; a son, Michael Roberts of San Francisco; a daughter, Nina Haro of Santa Monica, Calif.; a sister, Sodelvia Pickard of Los Angeles; and five grandchildren.


Artist and Teacher

William David Shirley, 45, an artist and professor of graphic arts at the Loudoun campus of Northern Virginia Community College, died Jan. 15 at Loudoun Hospital Center. He had cancer.

Mr. Shirley, who lived in Purcellville, was born in Wilmington, Del. He graduated from the University of Florida, where he also received a master's degree in fine arts.

He moved to the Washington area in 1973 and had served on the faculty of Shenandoah College and Conservatory of Music before joining the faculty at Northern Virginia Community College in 1976.

Mr. Shirley also had been an airbrush instructor at the Corcoran School of Art.

As a professional artist, his paintings had been displayed in shows at museums and art galleries in the Washington area.

Survivors include his wife, Laura Shirley, and two children, Anna and Benjamin Shirley, all of Purcellville; his father and stepmother, Ray and Sarah Shirley of Gainesville, Fla.; two brothers, John Shirley of Virginia Beach and Henry Shirley of Orlando, Fla.; and two sisters, Susan Thompson of Tampa and Bonnie Chambers of Gainesville.


Weather Service Employee

Ben Singer, 80, who worked for what became the National Weather Service for 23 years before retiring in 1964 as supervisor of meteorological technicians, died of congestive heart failure Jan. 14 at Holy Cross Hospital. He lived in Adelphi.

Mr. Singer was born in Nebraska and grew up in Iowa. He attended Crane Junior College in Chicago.

Survivors include a brother, Lawrence, of Madison, Wis.; and a sister, Marian Reisfeld of Silver Spring.


Parkwood Elementary Teacher

Marcia Featherstonhaugh Baker, 68, a retired teacher at Parkwood Elementary School in Bethesda, died of complications from cancer Jan. 14 at the Anne Arundel Medical Center. A longtime Bethesda resident, she had lived in Annapolis since 1973.

Mrs. Baker taught at Parkwood from 1952 to 1961, except for the 1954-55 school year, when she lived and taught in Kansas City, Kan. Before working at Parkwood, she taught in an elementary school at the U.S. Marine base in Quantico.

She was a native of Chicago who moved to Bethesda as a child. She was a graduate of Bethesda-Chevy Chase High School and George Washington University, from which she received a psychology degree in 1946.

Mrs. Baker was a member of the Chevy Chase Women's Club and the Severn Town Club and St. Margaret's Episcopal Church in Annapolis. She was also a guide for Historic Annapolis Inc.

Survivors include her husband, Raymond Baker of Annapolis; a son, Christopher A. Baker of McLean; a daughter, Catherine Baker of Annapolis; and a brother, Arthur C. Featherstonhaugh of Northfield, Vt.


FCC Engineer

George V. Waldo Sr., 85, an electrical engineer with the Federal Communications Commission for nearly 30 years before retiring in 1970, died of an aneurysm Jan. 9 at Holy Cross Hospital. He lived in Silver Spring.

He joined the FCC in Atlanta in 1941 and transferred here the following year.

Mr. Waldo was a native of Montgomery, Ala., and was a graduate of Auburn University, from which he also received a master's degree in electrical engineering. He served in the U.S. Merchant Marine in the 1920s.

He was a member of the United Baptist Church of New Carrollton and the Veterans Wireless Association. A Mason, he also belonged to Almas Temple. Mr. Waldo served as a judge at Prince George's County science fairs in the 1960s.

His first wife, the former Martha Vickery, died in 1969. His second wife, the former Bertie Howard, died in 1980. Survivors include his wife, Ellean Hall Waldo, and a son by his first marriage, George Jr., both of Silver Spring; and a sister, Florence Rosenkrans of Crozet, Va.