GowonGovernor, Central Bank of Nigeria· 1967 — 1975
Clement Isong
Governor through the civil-war and OPEC-accession years. Later Governor of Cross River State.
The record
Clement Nyong Isong (1920–2000), Efik economist from Calabar, was CBN Governor for the entire civil war period and the immediate post-war reconstruction years.
He oversaw the introduction of the Naira on 1 January 1973 — Nigeria's switch from £/s/d to a decimal currency. He was later elected Governor of Cross River State (1979–1983) on the NPN platform.
Sources
- CBN — Past Governors archive
Methodology
Tier 1 · primary
Courts. Gazettes. National archives.
Tier 2 · corroborating
OCCRP. HRW. BudgIT. TheCable.
Tier 4 · tertiary, flagged
Wikipedia only where primary is pending. Always labelled.