Doris C. Andress

Teacher and Agent Doris C. Andress, 84, who taught French and Latin at Yorktown High School in the 1960s and worked as a real estate agent for Long & Foster in the 1980s, died Nov. 5 at her Arlington home. She had Parkinson's disease.

Mrs. Andress, who had lived in the Washington area since 1942, was born in Philadelphia and raised in Ardmore, Pa. She was a graduate of Grove City College.

She was a member of Little Falls Presbyterian Church in Arlington. She volunteered as a poll worker in Arlington and with the Hospice of Northern Virginia.

Her husband of 49 years, Frank Andress, died in 1996.

Survivors include two sons, Donald F. Andress of Vienna and Lawrence C. Andress of Arlington; and two sisters.

Mary Schwartz Jacobs

Montgomery County Librarian Mary Schwartz Jacobs, 88, a Bethesda-based librarian for the Montgomery County library system from the mid-1960s to 1980, died Nov. 28 at ManorCare nursing home in Potomac. She had cerebral vascular disease.

Mrs. Jacobs, a former Bethesda resident, was a member of St. John's Episcopal Church, Norwood Parish in Bethesda and volunteered at its Opportunity Shop.

She was born in Mendota, Ill., and grew up in Quincy, Ill. She was a graduate of Illinois Wesleyan University and received a master's degree in library science from the University of Illinois.

During World War II, she worked in Europe for the American Red Cross clubmobile service, serving coffee and doughnuts to soldiers.

She was a librarian in Baltimore and a homemaker in California before settling in the Washington area in 1958.

She was a cellist with the Montgomery Symphony Orchestra from 1960 to 1970.

Her husband, William H. Jacobs, whom she married in 1948, died in 1975.

Survivors include three sons, Robert W. Jacobs of Fairfax Station, Richard H. Jacobs of Marietta, Ga., and Stephen T. Jacobs of Indonesia; a sister, Ada Elizabeth Schwartz of Hagerstown; and six grandchildren.

Robert W. Covert

Air Traffic Controller Robert Warren Covert, 71, an air traffic controller at the Federal Aviation Administration's Washington Air Route Traffic Control Center in Leesburg from 1970 to 1993, died at Inova Fair Oaks Hospital. He had lung cancer.

Mr. Covert, a Sterling resident, was born in Altoona, Pa. He served in the Air Force from the late 1940s to 1969, retiring as a chief warrant officer at Fort Lee, Va. His wife, Dorothy Neenen Covert, whom he married in 1952, died in 2001.

Survivors include three sisters and a brother.

John Richard Gill

Radio Engineer John Richard Gill, 85, a retired Leesburg radio engineer and former owner of an electronics store, died of congestive heart failure Nov. 29 at Loudoun Hospital Center. He lived in Leesburg.

Mr. Gill, a native of Loudoun County, had been part owner of Leesburg radio station WAGE-AM, serving as its radio engineer from the time it went on the air in 1958 until he retired in 1981. From the late 1930s until the late 1950s, he owned and operated Gill's Radio and Electronics business in Leesburg. He sold radios and televisions and did electronics work.

Survivors include his wife of 65 years, the former Nellie McKimmey, of Leesburg; two daughters, Elnora Gill Grubb of Purcellville, and Emily Gill Taxis of Sugar Land, Tex.; four grandchildren; and three great-grandchildren.