Iran Laurence Thomas

Energy Department Official

Iran Laurence Thomas, 64, who had worked for the Energy Department since 1983 and was deputy director for the office of basic energy sciences, died Feb. 28 at his home in Gaithersburg. He had colon cancer.

At his death, Dr. Thomas also was director of the division of materials sciences and engineering. In that job, he managed large projects at such institutions as Lawrence Berkeley National Laboratory in California, Oak Ridge National Laboratory in Tennessee, Argonne National Laboratory in Illinois, Brookhaven National Laboratory in New York and Los Alamos National Laboratory in New Mexico.

He was in the Senior Executive Service, and his honors included a 1999 Presidential Rank Award for sustained superior performance.

He was a native of San Antonio and a graduate of McMurry University in Texas. He received a doctorate in theoretical chemistry from Vanderbilt University. He held management positions at Oak Ridge and Occidental Research, affiliated with the petroleum giant.

He settled in the Washington area in 1983, and his memberships included the Unitarian Universalist Church of Rockville.

Survivors include his wife of 42 years, Barbara Jones Thomas of Gaithersburg; two daughters, Sharene Jones of Pelham Manor, N.Y., and Lauren Trafton of New York; his mother, Martha Thomas of Tustin, Calif.; a brother; and three grandchildren.

John A. Mang Sr.

Adjudicator

John A. Mang Sr., 90, who retired in 1972 as chief adjudicator of the State Department's Passport and Visa office, died March 5 at Goodwin House in Alexandria, where he lived. He had Alzheimer's disease and had suffered a stroke.

Mr. Mang was born in Watertown, N.Y. He graduated from Fordham University and received a law degree from Georgetown University Law School.

In 1936, he moved to the Washington area and began his federal career as an investigator with the Civil Service Commission. He served in the Navy during World War II. In 1959, he joined the State Department, where he remained until retirement.

Survivors include his wife of 66 years, Helen Mang of Goodwin House; two sons, John A. Mang Jr. of Alexandria and Robert A. Mang of Vienna; five grandchildren; and six great-grandchildren.