On 6 July 1960, L’Osservatore Romano published the names of the members of Central Commission responsible for coordinating the work to be done by the ten preparatory commissions.
Cardijn knew and had good working relationships with three of the most senior of these men, all of whom were officials of the Roman Curia:
Pietro Sigismondi, Secretary of the S.C. of the Propaganda Fidei;
Antonio Samoré, Secretary of the S.C. for Extraordinary Ecclesiastical Affairs; and
Angelo Dell’Acqua, Substitute at the Secretariat of State.
Although Cardijn may well have known or had contact with some of the other officials of the Central Commission,