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

Alex Radin,trade association executive

Alex Radin, 92, the chief executive of the American Public Power Association from 1951 to 1986, died April 11 at his home in the District. The cause was pneumonia, said a son, Bill Radin.

As chief executive of the trade association, the Chattanooga-born Mr. Radin was the primary spokesman for the nation’s 2,000 municipal and government-owned electric utilities and a specialist on national energy policy. He represented the association in hearings before Congress and federal agencies on issues ranging from access to electricity produced from federal dams to development of river basins. In retirement he was a consultant to public utilities.

Beverly B. Beidler,Alexandria voting registrar

Beverly B. Beidler, 85, Alexandria’s registrar of voters from 1987 to 2000 and a former Alexandria City Council member, died March 28 at Inova Alexandria Hospital. The cause was a stroke, said a daughter, Diana Simonton.

Mrs. Beidler was born Beverly Bresler in Kutztown, Pa. From 1971 to 1973, she was director of the Arlington County Project for Low and Moderate Income Housing. She served two terms on the City Council in the 1970s and then became a financial management program specialist at the U.S. Department of Housing and Urban Development. In 1983, she was an unsuccessful Democratic candidate for the Virginia Senate.

John B. Rhinelander,lawyer

John B. Rhinelander, 80, a partner at what is now Pillsbury Winthrop Shaw Pittman in the District from 1978 to 2002 and a legal adviser to the U.S. delegation to the SALT I talks in the early 1970s, died March 2 at a family home in Miami Beach. The cause was respiratory failure, said his wife, Jeanne Rhinelander.

Mr. Rhinelander was a Boston native and former resident of McLean, Va. Early in his legal career, he was a clerk for Supreme Court Justice John Marshall Harlan II. In the 1970s, he was general counsel to the old Department of Health, Education and Welfare, where he helped draft regulations of Title IX of the federal education act, and an undersecretary in the Department of Housing and Urban Development. After his retirement, he was an Arms Control Association board member and taught at the University of Virginia and Georgetown University law schools.

Frances ‘Jinx’ Oliver,researching consultant

Frances “Jinx” Oliver, 67, an online researching consultant who performed paid and volunteer work from 2000 to 2013 for Washington area organizations and law firms including Greenberg Traurig, Latham & Watkins and Markowitz & McNaughton, died April 13 at her home in Burke, Va. The cause was cancer, said a son, Tom Oliver.

Mrs. Oliver was born Frances Murray in the District. In the 1980s and 1990s, she was an information specialist and librarian with several organizations, associations and law firms. She was also a volunteer for the Library of Congress and the National Gallery of Art.

Donald L. Ream, computer engineer

Donald L. Ream, 92, a computer engineer who retired in 1982 after 25 years with the Navy Sea Systems Command and its predecessor organizations, died April 8 at his home in Tempe, Ariz. The cause was complications from a fall, said a former colleague, Donald Leichtweis.

Mr. Ream, a former Bethesda resident, was born in Johnstown, Pa. In 1974, he received the Gold Medal from the American Society of Naval Engineers for his work involving electronic digital computers and automatic data processing systems in the Navy’s combat and command and controls systems. He received a Superior Civilian Service Award from the Navy Department in 1980.

William D. Reiser, economist

William D. Reiser, 74, a supervisory economist with the Bureau of Labor Statistics for 30 years, died April 8 at his home in Easton, Md. The cause was congestive heart failure, said his wife, Kitty Reiser.

Mr. Reiser was born in Altoona, Pa. He served in the Army from 1962 to 1965 and began his career with the Bureau of Labor Statistics shortly thereafter, retiring in 1997. A former resident of Gaithersburg, Rockville and West River, Md., he moved to Easton in 2003.

William J. Duddleson, conservationist

William J. Duddleson, 92, a conservationist who retired from the Interior Department’s Bureau of Land Management in 1989, died April 12 at a retirement community in Williams­port, Md. The cause was dementia and pneumonia, said his wife, Denise Duddleson.

Mr. Duddleson, a former D.C. resident, was born in San Luis Obispo, Calif. He was a senior associate at the Conservation Foundation in Washington for 10 years before joining the Interior Department in 1978, where he specialized in grants management. He was the author or co-author of books on national parks and conservation.

Eleanor Pryor Booher, ski instructor

Eleanor Pryor Booher, 45, who grew up in the District, graduated from the National Cathedral School and later worked around the country as a ski instructor, died April 12 at a hospital in Calgary, Alberta.

Mrs. Booher was backcountry skiing with a tour group near Golden, British Columbia, when she was “buried by an avalanche,” according to a statement released by the province’s coroners service. She was rescued and taken to the hospital, where she died the next day of her injuries, said her mother, Diana Cashen.

Mrs. Booher was born Eleanor Pryor in San Francisco and maintained a residence in the District until moving to Colorado in the 1990s and later to Washington state. She was a sports fashion model and a representative for athletic-gear companies, and participated in sports including skiing, mountain climbing and mountain biking.

— From staff reports