Dr. Herbert F. Schiefer, 84, a retired official of the National Bureau of Standards and an authority on textiles, died of respiratory arrest Nov. 26 at Brookwood Hospital in Birmingham, Ala. He had been hospitalized for treatment of gastrointestinal obstructions.

Dr. Schiefer was at the National Bureau of Standards from 1929 until he retired at the end of 1965 and for part of that time he was head of the bureau's textile division. He worked with both natural and synthetic fibers and his particular field was testing fibers, yarns and fabrics for various properties, including strength.

He held patents for several devices used in his experiments, including one that tested fabrics for their ability to resist abrasion. He published more than 100 articles in professional journals. His work had applications in fields ranging from everyday wearing apparel to space exploration.

At the end of World War II Dr. Schiefer was assigned to a task force that studied the German textile industry. At different times he also served as an adviser to U.S. foreign assistance programs in Europe, the Far East and Australia and he was a member of the Pan American Standards Commission and committees of the International Standardization Organization.

In 1951-52, while on leave from the NBS, he taught at the textile school of North Carolina State University.

In 1950, Dr. Schiefer received the first Harold DeWitt Smith Memorial Gold Medal from the American Society for Testing and Materials. He was awarded both the Silver and Gold Medals for Exceptional Service of the Department of Commerce for his contributions to textile science and technology. He received honorary doctorates from North Carolina State and Ferris State College in Big Rapids, Mich.

A native of Vassar, Mich., Dr. Schiefer graduated from the University of Michigan with a degree in civil engineering. He also earned a master's degree in mathematics and a doctorate in astrophysics at Michigan. He moved to the Washington area in 1929 and was a resident of Kensington until 1984, when he moved to Birmingham.

Dr. Schiefer was a member of the Washington Philosophical Society and a past president of the Fiber Society. He also was a member of Christ Lutheran Church.

His wife, Lillian B. Schiefer, died in 1985. Survivors include two daughters, Margaret S. Schafer and Catherine B. Schiefer, both of Birmingham; a sister, Olga Schiefer of Frankenmuth, Mich., and two grandchildren.

MAMIE E. BROWN,

72, retired owner and operator of a school for beauticians in Arlington and a former employe of the U.S. Patent Office and the Food and Drug Administration, died of cancer Nov. 23 at D.C. General Hospital.

Mrs. Brown, who lived in Washington, was born in Dunn Loring, Va. She graduated from Storer College in Harpers Ferry, W.Va.

She operated the Friendly Beautorium in Arlington from 1938 to 1968. She worked at the U.S. Patent Office from 1957 until the mid-1960s, then joined the FDA, where her job involved examination of the chemical content of certain feeds for animals. She retired from the government in 1980.

In retirement, Mrs. Brown had been a teacher's aide at Patrick Henry and McKinley elementary schools and Williamsburg Intermediate School in Arlington.

She was a deaconess and a member of the High Noon Club at the First Baptist Church of Vienna and a former president of the Northern Virginia Ministers' Wives and Widows Association.

Survivors include her husband, the Rev. Paul W. Brown of Washington; two daughters, Alverna Miller of Washington and Aaronita Brown of Arlington, and three grandchildren.

KATHERINE MONTAGUE COOPER,

83, who was active in church and community affairs in Winchester, Va., died Nov. 25 at Goodwin House in Alexandria after a stroke.

Mrs. Cooper was born in Lynchburg and graduated from Longwood College. During the early 1920s she taught school in Winchester.

She was a Sunday School teacher, one of the heads of the bicentennial committee, and a member of the Altar Guild and the Lord's Ladies at Christ Episcopal Church in Winchester. She also was a charter member of the Winchester-Frederick County Historical Society and the Little Garden Club and a member of the Century Club in Winchester.

For several years, Mrs. Cooper was head of the coronation committee for the queen and her court for the Shenandoah Apple Blossom Festival. She had lived in Alexandria since 1983.

Her husband, Clarke T. Cooper, died in 1959.

Survivors include a son, Clarke T. Cooper of Alexandria; a daughter, Mrs. James F. Tyler of Leesburg, and five grandchildren.

GERTRUDE IRENE GIELEN,

71, a retired stockbroker with Johnston Lemon & Co. in Washington, died of pneumonia Nov. 25 at her home in Bowie.

Mrs. Gielen was born in Brooklyn, N.Y. She attended Northwestern University. She moved to the Washington area about 1952 and joined Johnston Lemon as a secretary about 1956. She retired in August of this year. She was a member of Grace United Methodist Church in Takoma Park.

Her marriage to Walter John Gielen ended in divorce.

Survivors include two sons, Price Gielen of Columbia and Mike Gielen of Bowie; two daughters, Patricia Farmer of Alexandria and Mary Farran of Washington; three sisters, Marilyn Benedict of Silver Spring, Dorothy Woodhead of West Palm Beach, Fla., and Marjorie Neumann of College Park; a brother, Carl J. Batter Jr. of Silver Spring, and 10 grandchildren.