54, a professor of art history at the University of Maryland and a specialist in 17th and 18th century Roman art, died of cancer Dec. 1 at Georgetown University Hospital.

Dr. DiFederico, who had been on the faculty of the University of Maryland since 1971, was also the publisher and editor of Decatur House Press, an organization he founded here in the mid 1970s to publish material related to literature and art history.

He was author of three books on art history, "Francesco Trevisani, 18th Century Painter in Rome," "The Mosaics in the National Shrine of the Immaculate Conception" and "Mosaics of St. Peter's: Decorating the New Basilica."

A resident of Washington, Dr. DiFederico was born in Southbridge, Mass., and graduated from the University of Massachusetts. He earned a master's degree in comparative literature at Boston University, and in the late 1950s he served in the Air Force as a Chinese language specialist.

He received a doctorate in art history at New York University's Institute of Fine Arts in 1970, the year before he moved to this area.

His marriage to Julia Markus ended in divorce.

Survivors include his mother, Mary DiFederico of Southbridge; and two sisters, Olga Tiberii of Connecticut and Emily Tiberii of Southbridge.


63, a retired program specialist with the Agency for International Development, died of the complications of emphysema Dec. 2 at Suburban Hospital. He lived in Bethesda.

Mr. Owens was born in Altoona, Pa. He graduated from Dickinson College in Pennsylvania and did graduate work at Syracuse University and the London School of Economics.

During World War II, he served in the Army Air Forces in the Pacific. He completed his education during the late 1940s. During the early 1950s, he worked for the North Atlantic Treaty Organization in Paris.

Mr. Owens worked for foreign assistance programs during the late 1950s and joined AID when it was formed in 1961. He became a rural development and appropriate technology specialist and had assignments in Pakistan, Thailand and Vietnam.

He helped to organize Appropriate Technology International, a program development organization, before retiring from AID in 1977. For the next eight years, he was a senior advisor with ATI.

His books include "Development Reconsidered," published in 1972.

Mr. Owens had been a volunteer with Amnesty International and was a member of Rockville Unitarian Church.

His marriage to Patricia Owens ended in divorce.

Survivors include two sons, Nicholas Owens of Potomac and Anthony Owens of Frederick; a daughter, Patricia Jarrett of Burlington, Vt.; a brother, Robert Owens of Duluth, Minn.; a sister, Lenor Lawson of Blossburg, Pa., and four grandchildren.


79, an area resident since 1940 who had been a volunteer with the Montgomery County chapter of the Red Cross for more than 30 years, died of cancer Nov. 30 at the Potomac Valley nursing home in Rockville. She lived in Bethesda.

She was a member of the Woman's National Democratic Club and the Chevy Chase Women's Club. She had served as vice president of the Wakefield Farm Co., a concern that owns and operates farms in Colorado and Kansas.

Mrs. Gallagher was born in Nebraska and grew up in Colorado. She attended Colorado College and Mills College. She worked for the Navy Department during World War II.

Survivors include her husband of 57 years, Hubert Gallagher, of Bethesda; a son, Hugh Gregory Gallagher of Cabin John, Md.; a daughter, Janet Gallagher Hermans of Chevy Chase, and three grandchildren.


72, an area resident since 1944 who was active in Jewish and volunteer organizations, died of cancer Nov. 29 at her home in Washington.

Mrs. Baldinger had been president of a Washington group of the March of Dimes and a women's chapter of the B'nai B'rith. She was a life member of Technion and Hadassah and a member of Woodmont Country Club. She was a native of Springfield, Mass.

Survivors include her husband, Milton I., and a daughter, Joan Surdock, both of Washington; a son, Joseph A., of Chevy Chase; three sisters, Ruth Baltimore of Brookline, Mass., Dorothy Fischgrund of Alexandria, and Priscilla Tievsky of Chevy Chase; two brothers, Milton Corwin of Manchester, N.H., and Jack Corwin of Long Meadow, Mass., and a grandchild.


71, a retired auditor with the Department of the Navy, died of cardiac arrest Nov. 29 at a hospital in Del Ray Beach, Fla. He had lived in Lake Worth, Fla. since 1981.

Mr. Tabinski was born in Washington and graduated from the old Central High School. He served in the Navy during World War II. After the war, he became a civilian employe of the Navy Department's old Bureau of Ships. He retired about 1972 and moved to Florida nine years later.

He was a member of the American Legion and Blessed Sacrament Catholic Church in Chevy Chase, where he was also a Boy Scout leader.

His first wife, Marion Koerner Tabinski, died in 1976.

Survivors include his wife, Eleanor McLucas Tabinski of Lake Worth; three children by his first marriage, James Edward Tabinski of Olney, Carolyn T. Boyles of Laurel, and Betty T. Moore of Clarksburg; two sisters, Beatrice Goley and Gladys Ellis, both of Silver Spring; two brothers, Joseph Tabinski of Bradenton, Fla., and Albert Tabinski of Melbourne, Fla., and five grandchildren.


73, a retired Navy captain who practiced dentistry in Bethesda for 20 years until retiring a second time in 1982, died of pneumonia Nov. 30 at Bethesda Naval Hospital. He lived in Bethesda.

Capt. Dann was a native of Beatrice, Neb., and earned his dental degree at the University of Nebraska. He joined the Navy in 1941 and was a dentist aboard the battleship South Dakota in the Pacific during World War II. His postwar assignments included tours in the United States, Guam, the Naval Academy at Annapolis and aboard a destroyer-tender in the Pacific. His last assignment, before retiring from active duty in 1962, was in Hawaii.

He was a member of the Concord-St. Andrews United Methodist Church in Bethesda. He was a diplomate of the American Board of Prostodontics and a fellow of the American College of Dentists and the International College of Dentists.

Survivors include his wife, the former Gene Roach, of Bethesda, a brother, Willard J., and a sister, Frances Mauk, both of California.


73, retired concert master with the National Gallery of Art Orchestra and the former owner and manager of a music school in Washington, died of pneumonia Dec. 1 at Sibley Memorial Hospital.

Mr. Ellsworth, a violinist, was concert master at the National Gallery Orchestra from 1952 when he moved to the Washington area until he retired in 1977.

He was also the owner and operator and a violin teacher at Ellsworth Music Studios in Chevy Chase. Mr. Ellsworth continued to teach there until 1983, and since then he had given private violin lessons at his home in Kensington.

He was born in Pittsburgh, graduated from the University of Pittsburgh and served in the Army during World War II. Before moving to the Washington area, he was a violinist with the Pittsburgh Symphony Orchestra.

Survivors include his wife, Nancy H. Ellsworth of Kensington; four sons, Rodger Ellsworth of Silver Spring, Grant Ellsworth of Adelphi, Brian Ellsworth of Kensington and William Ellsworth of Ijamsville, Md.; one daughter, Margaret Elizabeth Terry of Germantown, and five grandchildren.