 Ultimately successful, his invention was utilized in steel factories all over the world, bringing him considerable wealth.Wolf lent both moral and financial support to Fidel Castro from the onset of the Cuban revolution.Beholden to Ricardo Wolf for his unswerving support, and cognizant of his personality and natural gifts as a diplomat, the Cuban leader offered him the position of Minister of Finance and, after Wolf declined, responded to Wolf’s request and appointed him in 1961 Cuban Ambassador to Israel.