|1943||born in Velsen on August 8|
|1961||final examination HBS-B, Haarlem.|
|1969||MA exam philosophy and physics, University of Amsterdam|
|1969-1970||teacher in physics, Ignatius-College, Amsterdam|
|1970-1989||member of the administration of FOM (Foundation for Fundamental Research on Matter), Utrecht, and of the Department of Mathematics and Physics, University of Amsterdam|
|1977||first trip to India, as a tourist|
|1978-1979||first trip to Karnataka for research on temple architecture|
|1980-1985||research trips to India with the help of professor Van Lohuizen-De Leeuw and dr Nandana Chutiwongs|
|1988-2014||research trips to India with the help of professor M.A. Dhaky and professor Adam Hardy|
|2003||PhD Leiden University under supervision of professor Aart Mekking|
|2014||died in Amsterdam on June 23|
Special activities and positions
- Photographer of monuments in India and South East Asia. Between 1976 and 2004, about 28.000 colour slides and 50.000 black and white negatives were made. Prints of more than 1000 of the latter were bought by the Institute of South Asian Archaeology, Amsterdam, and the Kern Institute, Leiden
- Lecturer on Karnataka temples in Houston and Los Angeles on invitation of the society Kannada Vrinda in Houston, 2004 and 2005
- Contributor to the conference of the European Association of South Asian Archaeologists (EASAA) in Paris (2001), Bonn (2003), London (2005) and Ravenna (2007)
1994 Hoysaḷa architecture: medieval temples of southern Karnātaka built during Hoysaḷa rule, 2 vols, New Delhi. – vol 1: text, figures and maps; vol. 2: plates.
1996 A complete guide to Hoysaḷa temples, New Delhi.
2003 Architecture decorated with architecture: later medieval temples of Karnātaka, 1000 – 1300 AD., New Delhi. – PhD thesis Leiden University.
– Cālukya architecture: medieval temples of northern Karnātaka built during the rule of the Cālukya of Kalyāṇa and thereafter, 1000-1300 AD ., 3 vols, New Delhi. – vol. 1: text, figures and maps; vol. 2: plates 1-600; vol. 3: plates 601-1184.
2005 “Architectural features of the later medieval temples of Karnātaka.” In: C. Jarrige and V. Lefevre (eds), South Asian Archaeology 2001: proceedings of the sixteenth international conference of the European Association of South Asian Archaeologists, held in College de France, Paris, 2-6 July 2001 , Paris, pp. 475-481.
– “Architectural articulation of the medieval temples in Mahārāshtra.” In: Ute Franke-Vogt and Hans-Joachim Weisshaar (eds), South Asian Archaeology 2003: proceedings of the seventeenth international conference of the European Associantion of South Asian Archaeologists (7-11 July 2003, Bonn), Aachen, pp. 515-521.
– Fifteen golden examples: Indian temple architecture in Karnātaka, Bangalore.
2007 “Architectural features of the medieval temples surviving in Mahārāshtra.” In: The Temple in South Asia. British Association for South Asian Studies, The British Museum, London, pp. 49-62.
2010 “Hoysaḷa temples (Karnātaka, southern India) built in the northern style of architecture.” In: P.F. Callieri & L. Colliva (eds), South Asian Archaeology 2007: proceedings of the 19th meeting of the European Association of South Asian Archaeology, in Ravenna, Italy, July 2007 , Oxford (BAR International Series 2133), pp. 85-92.