Gaston J. Sigur; Assistant Secretary of State Under Reagan

Gaston J. Sigur Jr., 70, assistant U.S. secretary of state for East Asian and Pacific affairs in the Ronald Reagan Administration. Sigur joined the Administration in 1982, serving as a special assistant to the President for national security affairs and as senior director of Asian policy for the National Security Council. He joined the State Department in 1986 and played a key role in pushing for fair elections in South Korea and in talks with the Soviet Union concerning the withdrawal of Vietnamese troops from Cambodia. In 1989, he left government service and rejoined the faculty of George Washington University as a distinguished professor of East Asian studies. A native of Franklin, La., he earned his three college degrees from the University of Michigan. On April 26 in Washington of cardiac arrest.