From the moment he and his band of bearded rebels entered Havana in 1959 until his death of natural causes in 2016, Latin America’s most famous leader was Fidel Castro. With his distinctive military uniform, skinny Cohiba cigar, and marathon speeches denigrating Uncle Sam, Castro captured the imagination of aspiring revolutionaries and millions of others around the world. Castro was never content to simply rule Cuba, he worked tirelessly to export his ideas.