Italian cardinal; bishop of Loreto. In 1953 he began serving as secretary to the future Pope St. John XXIII.  Authored several books and pamphlets on the life of Giovanni Roncalli.
 
ADS - Autograph Document Signed: Inprinted brochure about steps to canonization of Pope John XXIII (Capovilla was postulator for the cause).  On the last panel  he has penned a three line message, signed and dated 2001. Accompanied by original mailing envelope.