Obituaries of residents of the District, Maryland and Northern Virginia.

Robert D. ‘Bobby’ Abbo, restaurateur, nonprofit founder

Robert D. “Bobby” Abbo, 69, who spent nearly 30 years as owner and manager of his family’s three Washington businesses, Poor Robert’s Tavern, Roma Oyster Bar and the long-running Roma Restaurant, died April 20 at a hospital in Miami Beach, Fla. The cause was leukemia, said his wife, Marcia Abbo.

Mr. Abbo’s father, Frank, established Roma in 1920 and built and named Poor Robert’s Tavern after his son in 1968. Bobby Abbo, a District native, operated the family’s three businesses until their closure and his retirement in 1997. He began in 1968 what became Poor Robert’s Charities, which among other activities sponsors an annual charity golf tournament. He was a volunteer coach at his alma mater, Georgetown Preparatory School in North Bethesda, a past president of the Maryland State Golf Association and owner of a thoroughbred racing horse stable. One of his horses, the 9-year-old thoroughbred Immortal Eyes, earned the stable more than $1.1 million. He split his time between Key Biscayne, Fla., and Washington before moving to Delray Beach, Fla., in 2013.

Harold E. Guard, Navy scientist

Harold E. Guard, 71, a scientist with the Office of Naval Research whose specialties included basic and applied environmental research, died March 16 at an assisted-living center in San Leandro, Calif. The cause was Alzheimer’s disease, said his wife, Terry Lang.

Dr. Guard, a former Annandale resident, was born in West Lafayette, Ind. He served on the faculty of the University of California at Berkeley, specializing in environmental and marine science before moving to the Washington area and joining the staff of the Office of Naval Research in 1983. His awards included a Meritorious Civilian Service Award for work with environmental programs and a Superior Civilian Service Award for leadership of the ONR Biology Division. He retired in 2007.

Thomas G. Ferris, NIH patent lawyer

Thomas G. Ferris, 88, a National Institutes of Health patent lawyer from 1967 until his retirement in 1988, died April 27 at his home in Washington. The cause was cirrhosis of the liver, said a daughter, Margaret Durbin.

Mr. Ferris was born in Chappell, Neb. He volunteered with St. John Neumann Catholic Church in Gaithersburg and was past president of the St. Andrew’s Society of Washington and the Clan Fergusson Society of North America.

Sidney Weintraub, Foreign Service officer

Sidney Weintraub, 91, a Foreign Service officer and political economist, died April 10 at his vacation house in Cuernavaca, Mexico. The cause was pneumonia, said his wife, Elizabeth Midgley.

Dr. Weintraub, a Washington resident, was born in Brooklyn. From 1949 to 1975, he was a Foreign Service officer with assignments in such places as Mexico, Madagascar, Thailand and Chile. He was a professor of economics and public policy at the University of Texas at Austin from 1976 to 1994, then holder of the William E. Simon chair in political economy at the Center for Strategic and International Studies in Washington until 2011. He was the author of several books and articles and two mystery novels.

Jack Dibler, chemistry teacher

Jack M. Dibler, 63, a middle school and high school science and chemistry teacher in Prince George’s and Howard counties, died April 29 at a hospital in Baltimore. The cause was esophageal cancer, said a sister-in-law, Sheila Young.

Mr. Dibler, a Pittsburgh native, was a Columbia, Md., resident. He taught science and chemistry in the Prince George’s public school system for 34 years — his last job was at High Point High School in Beltsville — before joining River Hill High School in Clarksville, Md., in 2007. He taught Advanced Placement chemistry and received the school’s Teacher of the Year honor in 2009. He retired in 2012 for medical reasons.

Nancy ‘Terry’ Beresford, family planner

Nancy “Terry” Beresford, 84, a specialist in family planning who had served as director of counseling and director of the training institute for Planned Parenthood of Maryland, died April 27 at her home in Alexandria. The cause was cancer, said a son, Rod Beresford.

Mrs. Beresford was born Nancy Harris in Shaker Heights, Ohio. She wrote articles, pamphlets and manuals about pregnancy and abortion and was a co-founder and president of the National Abortion Federation, a professional association of abortion practitioners, which gave her its Christopher Tietze Humanitarian Award in 1989.

Frank E. Hall, photographer

Frank E. Hall, 91, the chief photographer for the Joint Chiefs of Staff at the Defense Department, died April 8 at his home in Fredericksburg, Va. The cause was congestive heart failure, said a daughter, Linda Soulen.

Mr. Hall was born in Milford, N.H. He served in the Army during World War II and began his career as a civilian photographer at the Pentagon in 1945. He retired in 1985. He was a former president of the Office of the Secretary of Defense Coin Club. He was a 51-year resident of Rockville, Md. He moved to Fredericksburg eight years ago.

Charles Miller II, HHS administrator

Charles Miller II, 90, who spent more than 30 years as an administrator of what is now the Department of Health and Human Services before retiring in 1981, died April 21 at his home in Lewes, Del. The cause was respiratory failure, said a daughter, Linda Miller.

Mr. Miller, a Philadelphia native, was a former deputy assistant secretary for financial management and a deputy assistant secretary for health at HHS. In the 1980s, he was an executive officer for the Institute of Medicine at the National Academy of Sciences. He also taught English as a second language in Fairfax County and was a board member and volunteer ombudsman for Iona Senior Services, a Washington nonprofit group, before moving to Delaware from Washington in 2005.

Thomas H. Beckett, Naval Reactors deputy director

Thomas H. Beckett, 67, deputy director of Naval Reactors, the agency that oversees the Navy’s nuclear propulsion program, from 1999 until his retirement in 2006, died April 21 at his home in Apex, N.C. The cause was leukemia, said a daughter, Ashleigh Cannon.

Mr. Beckett, a native of Bay Shore, N.Y., was hired in 1969 by Adm. Hyman G. Rickover, the “father” of the nuclear Navy, to work in Washington with the Naval Reactors program. He received the Presidential Meritorious Rank Award in 2002 and the Secretary of Defense Meritorious Civilian Service Award in 2006. He moved to Apex from Warrenton, Va., in 2013.

Anthony Tang, mechanical engineer

Anthony Tang, 69, a mechanical engineer with the Arlington-based DRS Technologies defense contractors, died April 19 at a hospital in Rockville, Md. The cause was pulmonary fibrosis, said is son, Shawn Tang.

Mr. Tang, a resident of Clarksburg, Md., was born in Shanghai. He lived in the Washington area for 32 years and had been with DRS for 10 years before retiring three years ago. Earlier, he was a mechanical engineer with Pace, a commercial soldering company based in Laurel, Md.

Jack V. Harvey, media broker

Jack V. Harvey, 92, a media broker who retired in 1996 as vice president and partner of Blackburn & Co. in Washington, died April 26 at an assisted-living center in Ridgefield, Conn. The cause was congestive heart failure, said a daughter, Rickie Harvey.

Mr. Harvey was born in Quincy, Ill. He was a reporter in Atlanta for the United Press wire service before moving to Washington, where he co-founded Blackburn & Co. in 1957. He was one of the early media brokers at a time when radio and television stations were being purchased by newspapers. A former Alexandria resident, he moved to Connecticut in 2012.

David K. Taylor, Mobil executive, Georgetown professor

David K. Taylor, 85, an executive overseas and in Washington for what was then the Mobil oil company and in retirement a faculty member at Georgetown University’s School of Foreign Service, died April 25 at his home in Washington. The cause was congestive heart failure, said his daughter, Katherine Taylor.

Mr. Taylor was born in Oxford, N.C. His career at Mobil included positions in Tunisia, Nigeria, Portugal and France. For five years in the 1970s, he was in Washington as Mobil’s manager of international government relations. On retiring from Mobil in 1986, he served 10 years on the faculty at Georgetown as research professor in international affairs, director of the Fellows in Foreign Service Program and a senior fellow in international business diplomacy.

— From staff reports