Two District residents have been appointed by Mayor Marion Barry to the National Capital Planning Commission (NCPC), the federal body that oversees planning in the Washington area.

Robert Nash, an architect who lives at 1601 Buchanan St. NW, and Ann Hume Loikow, an attorney who lives in Cleveland Park, are scheduled to be sworn in at the commission's June 28 meeting.

Nash, 50, received a bachelor's degree in architecture from Howard University in 1952. He spent two years with the U.S. foreign aid program in Nigeria, developing schools, low-cost housing and industrial complexes, and another two years with the Army Corps of Engineers in England. Returning to Washington, he joined the architectural firm of Johnson and Boutin.

In 1963, Nash opened his own firm, which designed an addition to the Museum of African Art as well as many churches in the city. The firm is now working on a cancer research facility for the National Institutes of Health in Bethesda.

Nash also has served as chief community planner for the 14th Street urban renewal plan and as the first black vice president of the American Institute of Architects (AIA). In 1972, he received the Whitney Young Citation from AIA for promoting minority opportunities in architecture.

Nash and his wife, Texeira, an artist, have a son and two daughters.

Loikow, 30, received her bachelor's degree from Vassar College and her law degree from Georgetown University. She has served as a paralegal in the civil rights division of the Justice Department and as an officer of the U.S. Information Agency (now the International Communications Agency) in Cameroon, Africa. An attorney with the Federal Home Loan Bank Board, Loikow also has been an Advisory Neighborhood Commissioner in Foggy Bottom.

In the ANC, Loikow was active in zoning cases and in landlord-tenant relations. She spearheaded an attempt by the Swathmore Tenants Association to buy its apartment building on 25th Street NW where she and her husband, John, lived until buying a home in Cleveland Park last month.

"As a mayoral appointee, I'll bring a . . . point of view of a District resident to the commission," said Loikow. "But the commission is charged with protecting the federal interest in area planning."

NCPC meets twice a month to review D.C., Maryland and Virginia government activities for their impact on federal interest.

There are 12 commission members, three appointed by the president and two by the mayor. Seven commissioners serve as ex officio members, including the chairman of the Senate Government Operations committee, the chairman of the House District Committee, the secretary of defense, the administrator of the General Services Administration, the secretary of interior, the mayor and the City Council chairman.

The appointed members - but not the ex officio members - are paid $100 per day for every day they work on the commission. Loikow, who is a full-time federal employe, may choose to serve without pay or to take a leave of absence from her regular job while on commission business, according to NCPC officials.