Nii Kwabena Bonnie III (1888–1968) was Osu Alata Mantse in Accra, and also held the title Oyokohene of Techiman, according to Wikipedia. He formed the Anti-Inflation Campaign in 1947 against high prices of European imported goods and organised the boycott of European stores that began on 26 January 1948.
Nii Kwabena Bonnie III is remembered for leading the 1948 boycott of imported goods.