Kwame Nkrumah
Ghana's founding leader, the prophet of Pan-African unity who won Africa's first independence and then dismantled his own democracy.

On March 6, 1957, the Gold Coast became Ghana, the first sub-Saharan African colony to win independence from European rule, and Kwame Nkrumah told the crowd that the independence of Ghana was meaningless unless it was linked with the total liberation of the African continent. For the next nine years he was the most famous African in the world and the most consequential political entrepreneur on the continent. He was also, by the end, a president for life ruling a single party and a broke country, removed by his own army while he was abroad. Both halves of that record have been argued over ever since, usually by people who want only one of them.
Winning it first
Nkrumah spent a decade in the United States, studying at Lincoln University and Pennsylvania while working as a dishwasher and a fish seller, and then in London, where he helped organize the 1945 Pan-African Congress in Manchester with George Padmore and W. E. B. Du Bois. He returned to the Gold Coast in 1947 as secretary of a lawyers-and-chiefs independence party, decided it was too cautious, and broke away in 1949 to found the Convention People's Party with a slogan of self-government now.
His method was mass politics of a kind the colony had never seen: rallies, newspapers, and a campaign of strikes and boycotts he called Positive Action. The British jailed him in 1950. In 1951 his party won the colony's first general election while he was still in prison, and the governor released him to form a government. That sequence, an African party defeating a colonial administration at its own electoral game, was the demonstration the rest of the continent had been waiting for. Within a decade more than thirty African states were independent.
Ghana under Nkrumah became the headquarters of that wave. He funded and sheltered liberation movements, pushed hard for a continental union government with a single army and currency, and was a founder of the Organization of African Unity in 1963, where his maximalist vision lost to a coalition that preferred to keep their new sovereignty intact. He was also a leading voice of non-alignment alongside Nehru, Nasser, Tito, and Sukarno, and he wrote the era's sharpest short book on what he named neo-colonialism: formal independence combined with continued foreign control of an economy through investment, debt, and commodity markets.
Losing it after
The domestic record went the other way. The Preventive Detention Act of 1958 allowed imprisonment without trial for five years and was used against opposition politicians, trade unionists, and eventually his own colleagues. He dismissed the chief justice for acquitting men he wanted convicted. In 1964 a referendum made Ghana a one-party state with Nkrumah president for life, and a cult of personality grew around him under the title Osagyefo, the redeemer.
The economics failed in parallel. He spent Ghana's substantial cocoa reserves on rapid state-led industrialization, much of it on projects that never ran at capacity. The Akosombo dam on the Volta was a genuine achievement that still supplies power, but the aluminum industry it was meant to serve stayed in foreign hands. Then world cocoa prices collapsed in the mid-1960s and took the entire model with them, leaving inflation, shortages, and a foreign debt the country could not service.
On February 24, 1966, while Nkrumah was flying to Beijing on a self-appointed mission to end the Vietnam War, army and police officers seized Accra. There were celebrations in the streets. Documents released decades later show the CIA had been in contact with the plotters, though the evidence of direct organization is thinner than the coup's opponents claim, and the domestic grievances were entirely real. He lived out his exile in Guinea as honorary co-president and died of cancer in Bucharest in 1972.
The echo
Ghana rehabilitated him. His remains were brought home, his face is on the currency, and his birthday is a national holiday. Across Africa his reputation is close to founding-father status, and his diagnosis of neo-colonialism reads better now than it did then, in an era of commodity dependence and debt to new creditors. His governing record reads worse, and it set a pattern the continent repeated for thirty years: the liberation hero who cannot distinguish between the nation and himself, and who leaves his successors an economy in ruins and an army that has learned it can take power.