[1] Niedergang started his career as a journalist for Réforme, a Protestant newspaper, in 1949.
[1][2] From 1964 to 1975, he worked for Le Monde once again, covering Iberian affairs and Latin America.
[2] For example, he covered the 1973 Chilean coup d'état and the death of Salvador Allende.
[3] He also suggested that Fidel Castro's leadership style was far more comparable to Josip Broz Tito in Yugoslavia or Gamal Abdel Nasser in Egypt than Nikita Khrushchev in the Soviet Union.
[1] In the winter of 1999, Niedergang joined the Collectif Liberté pour l'Afghanistan, an organization lobbying for the West to stop tolerating the Talibans and "Osama bin Laden, the millionaire Saudi financier of terror".