The date of birth recorded on his birth certificate was June 14, 1928, although one tertiary source, (Julia Constenla, quoted by Jon Lee Anderson), asserts that he was actually born on May 14 of that year.
Hentet 30. september 2001.  Fødselsdatoen vist på hans fødselsattest var 14. juni 1928, selvom en tertiær kilde, (Julia Constenla, citeret af Jon Lee Anderson), fastholder at han blev født 14. maj samme år.