Hichens-Bergström was born on 13 August 1913 in Stockholm, Sweden, the son of the high councillor Richard Bergström [sv] and his wife Jenny (née Glimstedt).
Hichens-Bergström received a Candidate of Law degree from Uppsala University in 1937 and carried out his clerkship at Södersysslets judicial district from 1937 to 1938.
[2] In 1938 he became an attaché at the Ministry for Foreign Affairs and served in San Francisco in 1939, and the year after that in Washington, D.C. where he became legation secretary in 1943.
[3] He had a special assignment for the Swedish National Bank in Washington, D.C. 1941–43 and was representative of the aviation negotiations with the Soviet Union and with other countries 1945–47.
Hichens-Bergström was the secretary of the Swedish delegation at the United Nations General Assembly in 1947 and 1948 as well as in the Parliamentary Committee on Foreign Affairs in 1948.