-0- Publishedin The Philosophical Transactions of the Royal Society A is  this article on organisational aspects of the LHC project

-0- A review, published in the CERN Courier, on calorimety (year ~2000)

-0- A speech at the occasion a Honorary professorship at the University of Amsterdam
      for professor Martinus Veltman (in the year ~2001)

-0- At the occasion of the farewell of professor Karel Gaemers as dean of the
      Faculty of Science of the University of Amsterdam (2009): a speech

-0- Spinoza Award ceremony 2011

-0- A contribution to the discussion on the Strategy for European Particle Physics (2020): here

-0- I co-authored (with Paul 't Hart) a chapter (chapter 9) in the book Guardians of Public Value. The book is Open Access, chapter 9 is entitled: CERN: Guardian of the Human Aspiration to Understand the Universe

-0- Een artikel over Europa d.w.z. CERN , door Walter Hoogland en JE (niet in de krant gekomen)

-0- Rijmpje: WATER over het antropisch principe

-0- Een speciale inleiding tot de relativiteitstheorie staat hier

-0- Inleiding bij de prachtige theatervoorstelling H I G G S van Jan van de Berg staat hier

-0- N.a.v. Huygenstentoonstelling in Grote Kerk in Den Haag, hier een oplossing van de 'cycloïdeslinger' van Christiaan Huygens

-0- Betekenis en Ontdekking van het Higgs-deeltje, HOVO, Leiden (13 mei 2013): tekst en aanvullende ppt

-0- An inspiring article by P.W. Anderson on complexity: more is different . A comment
      (also posted as a blog on  josengelen.blogspot.com).

-0- A remarkable article by Richard P. Feynman (speech for the American Physical Society
      in December 1959, published at Caltech in 'Science and Engineering' in February 1960).
      The announcement of the emergence of nanoscience and nanotechnology more than
      four decades before it actually happened! Here is a copy

-0- A beautiful article on Majorana fermions by Frank Wilczek

-0- A summary of the status of Supersymmetry from Symmetry Magazine: here
-0- CERN Courier article on right-handed neutrinos