Prof. Božo Otorepec was born on 24 December 1924 in Sv. Peter Orehovec (Croatia). He graduated History and Geography at the Ljubljana Faculty of Arts (1951) and specialised in auxiliary historical sciences; amongst other on the Vienna Institute for Historic Research (Osterreichische Institut für Geschichtsforschung). For twenty years he worked in Ljubljana Historical Archives and from 1971 on in Scientific-Research Centre of Slovene Academy of Sciences and Arts (ZRC SAZU). From 1967 until 1993 he lectured at the historical department of the Faculty of Arts in Ljubljana. His publications deal with auxiliary historical sciences, local history and publication of sources. A list of his publications can be found in the appended bibliography.