In 1968, Paek became vice director of the International Affairs Department of the
Workers' Party of Korea. Paek participated in the first round of North-South Red Cross talks in 1972. In 1974, Paek became the ambassador to
Poland until 1979. Paek also served on the
Supreme People's Assembly from 1990 until the time of his death, having been elected to the 9th, 10th, and 11th sessions. == Personal life ==