Non quid sed quando valet

John A. Michon

Facts and Opinions


  • Obituary Masanao Toda (2006)  vlag NL
    Masanao Toda died in September 2006 at the age of 86. He was one of the most prominent behavioral scientists of the second half of the 20th century. In 1989 he was elected foreign member of the Royal Netherlands Academy of Arts and Sciences (KNAW).
    This obituary first appeared in the 2007 volume of Levensberichten en Herdenkingen, an annual publication in which the KNAW commemorates the members and correspondents it lost in the preceding year.

  • Obituary Janet L. Jackson (2005)  vlag GB
    In January 2005 cognitive psychology lost Janet L. Jackson, formerly Associate Professor at the University of Groningen (1987-1992) and Deputy Director of the Netherlands Institute for the Study of Criminality and Law Enforcement in Leiden (1992-1999). She will be remembered as a charming and energetic colleague. Apart from a deep commitment to both teaching and research, she also played a substantial role in facilitating international contacts between cognitive scientists.
    This obituary first appeared in the European Journal of Cognitive Psychology, 2005, 17(4), i-ii.

  • Jean-Marie Guyau on time (1994)  vlag GB
    The French philosopher Jean-Marie Guyau (1854-1888) was mostly a social philosopher, with a wide-ranging interest. His work includes numerous works on ethics, aesthetics, religion and sociology. He has been called the "French Herbert Spencer" and the "French Nietzsche". There are commonalities between Guyau and Nietzsche, of which the latter was indeed appreciative. A brief volume with the title La genèse de l'idée de temps is of special interest for psychologists.  Here is a brief summary of Guyau's own idea of time.