Prof. Dr. Adriaan Blaauw (1914-2010) was Professor Emeritus astrophysics at the Kapteyn Astronomical Institute of the University of Groningen (the Netherlands). [more]

Prof. Dr. Hugo van Woerden (1926) is Professor Emeritus astrophysics at the Kapteyn Astronomical Institute of the University of Groningen (the Netherlands). [more]

Prof. Dr. Kees de Jager (1921) is Professor Emeritus astrophysics and space research at the University of Utrecht (the Netherlands). [more]

Technician Arie Hin (1927-2016) was technician at the Netherlands Institute for Radio Astronomy (ASTRON). [more]

WITH THANKS TO
INITIATIVE & PRODUCED BY