Domenico Tardini (29 February 1888 – 30 July 1961) was a long time aide to Pope Pius XII in the Secretariat of State. Pope John XXIII named him Cardinal Secretary of State and, in this position the most prominent member of the Roman Curia in Vatican City.
Read more about Domenico Tardini: Early Life, Secretariat of State, Papabile and Cardinal Secretary of State, Writings, Literature