Arthur Brann Caldwell, 80, retired senior staff attorney with the Justice Department where he was head of the civil rights section from 1952 to 1957, died of cardiopulmonary arrest June 18 at Suburban Hospital. He lived in Chevy Chase.

He moved to the Washington area in the late 1920s. From 1933 to 1935, he was an administrative aide to Vice President John Nance Garner. He joined the Justice Department in 1935 and served as an assistant U.S. attorney in Washington during the late 1930s. He retired from Justice's criminal division in 1968.

Mr. Caldwell was born in Mammoth Spring, Ark. He graduated from the University of Arkansas and received a law degree from George Washington University. During World War II, he served in the Army and earned the Legion of Merit.

He was a member of the Society of Colonial Wars, the Jamestown Society, and the Sons of the American Revolution.

Survivors include his wife, Mary E. Caldwell of Chevy Chase; two sons, John Caldwell of Tulsa, Okla., and Christopher Caldwell of Pittsburgh; one daughter, Cynthia Weglicki of Potomac; one sister, Bertha Minor of Golden, Colo., and seven grandchildren.

WALDEMAR A. SOLF,74, an American University law school professor who also did work for the Red Cross and was a retired Army colonel, died June 20 at his home in Alexandria after a heart attack.

Dr. Solf served in the Army 22 years before retiring from active duty in 1963. During World War II, he served in the field artillery with the Third Army in Europe. After the war, he transferred to the Judge Advocate General corps. His overseas assignments included tours in Europe and South Korea.

He taught international law at AU's law school from 1963 to 1969. He then rejoined the Army in a civilian capacity, becoming chief of the Judge Advocate General's international affairs division, before retiring again in 1980. For the past seven years, he again taught at AU, did work for the Red Cross, and was an American delegate to various international legal conferences.

He had been active in the international law sections of both the Federal and American Bar associations.

Dr. Solf, who was born in Zurich, came to this country as a child and grew up in Chicago. He received an undergraduate degree, a law degree, and a doctoral degree in law, all from the University of Chicago.

Survivors include his wife, Evelyn, of Alexandria; a daughter, Susan Solf of Washington, and two grandchildren.

JANE HEDRICK BEALS,70, a retired child development specialist with the Maryland Department of Health and Mental Hygiene, died of cancer June 16 at the health center of the Fairhaven, a retirement community where she lived in Sykesville, Md.

During the 1950s, Miss Beals worked at the Green Acres School in Rockville, where she became director. She worked for most of the 1960s in Baltimore, where she worked for the city's social services department. She joined the department of health and mental hygiene in 1969 and retired in 1979.

She was born in Baltimore and grew up in Washington. She graduated from the old Central High School and the University of Maryland.

Survivors include one sister, Josephine A. Beals of Sykesville.

LEO F. STOCK JR.,83, a civil engineer with Merle Cain & Associates in Washington for over 40 years before retiring in 1974, died of cancer June 19 at his home in Washington.

He was a past president of the St. Vincent de Paul Society's particular council which supervises the charitable work of 34 area parishes. He was a member of the Shrine of the Blessed Sacrament Catholic Church in Washington.

Mr. Stock was a seventh generation Washingtonian. He graduated from Gonzaga College High School and Catholic University.

Survivors include his wife, Mary Doody Stock of Washington; three daughters, Mary Jeanne Nickerson of Washington, Christine Simpson of Fairfield, Conn., and Elizabeth Cahill of Pelham, N.Y.; two sisters, Sally Murray and Mary Kelly; both of Washington; one brother, Brooks Stock, of Bloomfield, N.J.; 16 grandchildren, and six great-grandchildren.