Foundations of Temporal Logic – The WWW-site for Prior-studies
a joint project between
Department of Information Studies – University of Copenhagen
Department of Communication and Psychology – Aalborg University


This website opened in 2014 and is devoted to the Life and Work of Arthur Norman Prior (1914-69), the founding father of temporal logic. Furthermore, the website is one of the main news channels for the research project The Primacy of Tense: A.N. Prior Now and Then, funded 2016-2019 by the Danish Council for Independent Research | Humanities. DFF|FKK Grant-ID: DFF – 6107-00087. For further information on the research project:

The following ressources are vital for research into the Life and Work of Arthur Norman Prior:


  • The Nachlass of A.N. Prior
    Papers by A.N. Prior as well as letters by A.N. Prior and contemporary researchers with whom he corresponded, not previously published, but now transcribed and proofread as a result of the work in The Virtual Lab for Prior Studies.

Virtual Lab

  • The Virtual Lab for Prior Studies
    (a closed collaborative community working on the transcription of Prior’s unpublished papers and letters, you’re welcome to join)


Digital Publication (Digital Research Resource)

  • Hasle, Per; Øhrstrøm, Peter: 2014 – present date: Foundations of Temporal Logic – The WWW-site for Prior-studies: (this website).
    The website was officially launched at the Arthur Prior Centenary Conference in 2014 and has since been expanded in a process of ongoing development. It is an official part (WP) of the project The Primacy of Tense: A.N. Prior Now and Then It is based on app. 250 pages of text. To this comes the „, sound files and video footage.

Further information

  • General information on A. N. Prior,
    for instance:
  • Bibliography of A. N. Prior (in two parts).
  • Description of the material. Prior’s papers, notes, correspondence, etc. kept in the Bodleian Library, Oxford.

  • A lasting memory of A.N. Prior is now the Prior Centenary Conference, which was held at Balliol College, Oxford, August 20 – 22, 2014.
    The following link is to the conference website, now kept for reference.
  • Arthur Prior Centenary Conference, Balliol College, Oxford, August 20 – 22, 2014



Per F. V. Hasle©
Department of Information Studies
University of Copenhagen
South Campus, build. 4
Njalsgade 76
DK-2300 Copenhagen S

Peter Øhrstrøm©
Department of Communication and Psychology
Aalborg University
Rendsburggade 14
DK-9000 Aalborg

Updated December 23, 2017