American citizen who was one of a few to fight against Fulgencio Batista during the Cuban Revolution. He was arrested and executed for treason on Castro's order in 1960.
He travelled to Cuba in 1957 and joined up with the guerilla groups opposing Batista, leading the critical raids that forced Batista to abdicate.
His conviction that Castro would turn Cuba into a capitalist democracy proved unfulfilled.
He was born in Cleveland, Ohio and grew up in Toledo.
His support of Fidel Castro's army ultimately brought Castro to the leadership of Cuba.