Alexander Kazhdan, 74, a leading Byzantine scholar who had been a senior research associate at the Center for Byzantine Studies at Dunbarton Oaks since immigrating to the United States from the Soviet Union in 1979, died of a heart attack May 29 at Georgetown University Hospital. He lived in Washington.

Dr. Kazhdan was editor in chief of the Oxford Dictionary of Byzantium, published in three volumes in 1991. That year, the dictionary received the R.R. Hawkins Award for Outstanding Scholarly Book and the Reference Reviews publication's award for best specialist reference work.

He wrote 20 books in Russian and English and nearly 700 articles and book reviews. Among the works he coauthored were "People and Power in Byzantium," "Studies on Byzantine Literature of the 11th and 12th Centuries" and "Authors and Texts in Byzantium."

Dr. Kazhdan, who had special interests in social and agrarian history, theocracy and literature, was preparing a multivolume history of Byzantine literature.

He was a graduate of the Pedagogical College of Ufa and received a doctorate at the Institute for History of the Academy of Sciences in his native Moscow.

Dr. Kazhdan taught early in his career at teacher training institutes and, because of Stalinist persecution of Jews, was later exiled to posts in provincial colleges. He was able to return to Moscow in 1956 to do research at the Academy of Sciences.

Dr. Kazhdan was a member of the U.S. National Committee on Byzantine Studies and a fellow of the Medieval Academy of America.

Survivors include his wife of 53 years, Rimma Ivjanskaja of Washington; a son, David Kazhdan of Boston; and four grandchildren. WILLIAM ROSS ROWLAND Physicist

William Ross Rowland, 71, a physicist who retired in 1983 from the Center for Chemical Engineering at what is now the National Institute of Standards and Technology, died of pancreatic cancer May 27 at his home in Great Falls.

He worked for 30 years at what was then the National Bureau of Standards in the fluid and reactor dynamics group and on experimental facilities that included a laminar flow wind tunnel.

He also was a sculptor who assisted Felix de Weldon in the fabrication of the Iwo Jima Memorial and who exhibited his own work locally and in Charlottesville.

Mr. Rowland was born in Washington and raised in Warrenton, Va. He served in the Navy during World War II. He attended George Washington University and Virginia Polytechnic Institute and State University.

His other interests included horseback riding, rock climbing and caving. A cave he discovered in West Virginia bears his name.

He was a founding member of the Great Falls Citizens Association and belonged to the area's Lions Club and Volunteer Fire Department.

His first wife, Ruth Folger Funderburk Rowland, died in 1988.

Survivors include his wife, Katharine Ogden Rowland of Great Falls; three children from his first marriage, John Rowland of Weaverville, N.C., Gay Rowland of Montreal and Anne Rowland of New York; a stepson, John Procter of Great Falls; two sisters; and two grandchildren. BONNIE L. PHELAN Realty Manager

Bonnie L. Phelan, 56, a real estate broker who since 1986 had managed the Annandale office of Long & Foster Real Estate Inc., died May 27 at home in Chantilly of complications related to brain cancer.

Mrs. Phelan was born in Altoona, Pa., and attended nursing school in York, Pa. She accompanied her husband, retired Marine Corps Col. Harold Phelan, to military posts throughout the United States when he was on active duty.

Before they settled in this area in 1985, Mrs. Phelan managed a real estate office in Vista, Calif.

She was a graduate of the Real Estate Institute and a member of the National and Northern Virginia associations of Realtors.

She had been a Navy Relief and Girl Scout volunteer and had participated in the Marine Corps Toys for Tots program.

Mrs. Phelan was a member of St. Timothy's Catholic Church in Chantilly.

In addition to her husband of 37 years, of Chantilly, survivors include three children, Robin Phelan-Tuggle of Oceanside, Calif., Mark Phelan of Vista and Cheryl Phelan of Chantilly; two sisters, Carol Riley of Altoona and Kay Loy of Potomac; a brother, Ralph McGirk of Alexandria; and four grandchildren. ELIZABETH DAVIS McGROARTY Editor

Elizabeth Davis McGroarty, 42, a native Washingtonian and former editor in the Style section of The Washington Post, died of cystic fibrosis May 30 in a hospital in Lexington, Ky.

Mrs. McGroarty attended Immaculata Preparatory School and graduated in 1975 from Georgetown University, where she also received a master's degree in foreign service.

She worked at The Post from 1975 until 1989, when she left the newspaper as an editor in the Style section.

Later she lived in Durham, N.C., and then Lexington.

Survivors include her husband, Dr. Paul McGroarty, and three children, John, Joe and Mary McGroarty, all of Lexington; her father, Homer S. Davis of Charlotte Hall, Md.; a grandmother, Bertha O'Neil of Washington; and two sisters, Julie Conrad of Annapolis and Patricia Davis of Washington. JAMES F. THORNLEY Army Lieutenant Colonel

James F. Thornley, 85, an Army lieutenant colonel who specialized in communications for most of his military career, died of cardiopulmonary arrest May 27 at Veterans Hospital in Washington.

Col. Thornley was born in Toccoa, Ga. He was a telegrapher in Georgia and Florida and a reservist in the Army Signal Corps before World War II.

In 1943, he was called to active military duty. His military career included service in Austria, Germany, Alaska and several postings in Washington. He settled in this area in 1957.

While serving in the Army, Col. Thornley graduated from the University of Maryland and attended the Command and General Staff College. He retired in 1968. His military decorations included two Legions of Merit.

On his military retirement, Col. Thornley was a civilian specialist in research and development communications with the Air Force. Later he was a communication management specialist with the Defense Supply Agency in Alexandria. He retired in 1983.

He had been commodore of the Potomac River Yacht Club and the Port Tobacco Yacht Club.

Survivors include his wife, Olga Marie Thornley of Camp Springs; two children, Jeffrey J. Thornley of Waldorf and Jana Marie Thornley of Camp Springs; and three grandsons. HENRY C. BUTT Army Chaplain

Henry C. Butt, 86, an Army chaplain who retired as a colonel, died May 20 at the Fairfax facility at Fort Belvoir, where he had lived since 1991. He had Alzheimer's disease.

Col. Butt began his military service in 1943, and he retired in 1969. During World War II, he served in England, France and Germany. Postwar assignments included duty in Germany and Taiwan and at various posts in the United States. From 1964 to 1967, he was posted at Fort McNair in Washington.

His military decorations included an Army Commendation Medal.

He was born in Abingdon, Va., graduated from Emory and Henry College and received his divinity degree from Emory University. While serving in the Army, he attended Army Chaplain's School and the Command Management School at Fort Belvoir.

In retirement, Col. Butt lived in Abingdon and Aurora, Colo., before moving to the Washington area in 1991.

Survivors include his wife, Vivian H. Butt of the Fairfax; two children, Anne Butt Edwards of Florida and James Stuart Butt of Alexandria; a sister; two brothers; four grandchildren; and three great-grandchildren. LORRAINE CATHERINE AVISE Answering Service Owner

Lorraine Catherine Avise, 78, who operated the Dominion Answering Service in Manassas until the mid-1980s, died of a heart attack May 26 at Prince William Hospital. She lived in Nokesville.

Mrs. Avise was a native of Washington. She was a federal payroll clerk and an operator with the Chesapeake & Potomac Telephone Co. in the 1940s. After her marriage to Herbert Jack Avise, she accompanied him to Air Force posts that included Alaska and Japan.

She began working for an answering service in Manassas around 1970 and later bought the Dominion service.

Her husband, a retired lieutenant colonel, died in 1995.

Survivors include four children, Tom Avise and Elizabeth Stewart, both of Matthews, N.C., Mike Avise and Maggie Miller, both of of Nokesville; two sisters, Eleanor Frere of Manassas and Dorothy Dooley of Homosassa, Fla.; eight grandchildren; and a great-granddaughter. GEORGE F. DUSTY' RHODES Jr. Painter

George F. "Dusty" Rhodes Jr., 81, a painter who worked for local building contractors until retiring in the early 1980s, died May 27 at the Woodbine Nursing Center. He had lung cancer.

He was born in Williamson, W.Va., and had lived in Alexandria since childhood. He was a graduate of Alexandria High School. He served in the Army in the South Pacific during World War II.

Mr. Rhodes was a member of Painters District Council 51, Fraternal Order of Eagles and the Alexandria Volunteer Fire Department.

There are no immediate survivors.EDITH PREISMANHadassah Activist

Edith Preisman, 86, an activist and officer in Hadassah, died of heart failure May 29 at her home in Silver Spring.

Mrs. Preisman helped form and was the first elected president of the greater Washington area Hadassah chapter. She also had been president of the Silver Spring and Montgomery County chapters of Hadassah. She had served on the board of the Seaboard Region of Hadassah, which includes the East Coast.

She was born in New York and graduated from Hunter College. Since 1942, she had lived in the Washington area.

She did volunteer work assisting senior citizens with the preparation of tax returns and taught classes on floral beading.

With her husband, Albert Preisman, she was active in the Montgomery County Jewish Community Center. He died in 1996. They had been married 62 years.

Survivors include two daughters, Rita Glanzer of Washington and Cynthia Halper of Silver Spring; five grandchildren; and three great-grandchildren. MARCELLA WALKER McGEE Librarian

Marcella Walker McGee, 92, a retired librarian, died of respiratory failure May 28 at the Manor Care nursing facility in Kensington.

Mrs. McGee, a Chicago native, attended the University of Chicago. She was a librarian in the city for 32 years and then worked for libraries at Antioch and Humboldt colleges and in Pasadena, Calif. She moved to Silver Spring in 1971.

She was a member of the Unitarian Universalist Women's Federation and Cedar Lane Unitarian Church in Bethesda.

Her marriage to Dr. Ernest J. Ricks ended in divorce. Her second husband, the Rev. Lewis McGee, whom she had accompanied to church assignments in the United States, died in 1979.

Survivors include a daughter from her first marriage, Dr. Joan R. Harris of Silver Spring; a stepson, retired Air Force Col. Charles E. McGee of Bethesda; five grandchildren; 13 great-grandchildren; and five great-great-grandchildren. LAURETTA A. HUNTER Executive Secretary

Lauretta A. Hunter, 86, the executive secretary to the surgeon general in the U.S. Public Health Service from 1946 until she retired in 1972, died May 29 at her home in Washington of complications related to a broken pelvis.

Mrs. Hunter was born in Wilmington, N.C. She attended Peabody Conservatory in Baltimore, then moved to Washington in the early 1930s.

She taught piano and worked as a classified advertising salesperson for the Washington Evening Star. In 1944, she took a staff position on Capitol Hill with a committee studying the nation's health care, where she worked until joining the office of the surgeon general. During her years with the Public Health Service, she worked for six surgeons general.

During the McCarthy Red Scare in the 1950s, when government employees were being accused anonymously of being security risks, Mrs. Hunter was suspended from government service for one year. She fought the suspension and was exonerated and reinstated to full service, but she never learned the specifics of what she had been accused or who had accused her.

Her marriage to Manual April ended in divorce, and her second husband, J. Stewart Hunter, died in 1979.

Survivors include a daughter from her first marriage, Gayla April of Washington; a brother, Norman Hurwitz of Columbus, Ga.; three sisters, Shirley Paull of Chapel Hill, N.C., Evelyn DeBoeck of Washington and Beatrice Stein of Richmond; and three grandchildren. LEROY L. SCHWARTZ Health Care Specialist

Leroy L. Schwartz, 64, a physician and health care specialist who had written and delivered lectures on health issues, died May 25 at home in Princeton, N.J., of ataxia, a degenerative neurological disease.

Since the mid-1980s, Dr. Schwartz also had a home in Washington.

In the early 1980s, he founded the Princeton Institute for Health Policy and Health Policy International. Both organizations became vehicles for study and advocacy of health care issues, including the argument that social problems such as violence, drug abuse, teenage pregnancy and family dysfunction are major causes of high health care costs.

He was an adviser to the Department of Health and Human Services and the Food and Drug Administration on issues related to the process for approval of generic drugs.

Dr. Schwartz was born in Philadelphia and grew up in New York. He graduated from Wagner College and received a medical degree at the medical school of the University of Bern.

He was a New York pediatrician for 20 years before leaving medical practice in 1985 to work full time on health care issues.

His marriage to Deidre Schwartz ended in divorce.

Survivors include three children, Peter Schwartz of New York, David Schwartz of Highland Park, N.J., and Adriane Hulsman of Santa Monica, Calif.; and three grandsons. ORA BELL KELLY Practical Nurse

Ora Bell Kelly, 97, a retired practical nurse who served on the deacons board at Metropolitan AME Church in Washington, died of cardiac arrest May 27 at Greater Southeast Community Hospital. She lived in a group home in Accokeek.

She was a graduate of Benedict College in her native Columbia, S.C. She taught in a high school there before moving to Washington in 1925. After graduating from the Margaret Murray School of Nursing, she worked as a private-duty nurse until the 1960s. She was president of the South Carolina Club at Metropolitan AME and also served on the President's Council.

Her husband, Robert R. Kelly, died in 1984.

There are no immediate survivors.