1923 – Born on the 20th of April in Alquízar, Havana Province.
1950 – He received his first doctorate from the University of Havana.
1954 – He received a second from the Lomonosov University of Moscow.
1961 – He served as rebel captain in the forces of Ernesto Che Guevara.
1998 – He died on the 13th of September.