Painting portraits has always been preferred by Koolen and it also provided income. Commissions for painting portraits were not uncommon up to the nineties: official portraits, departing directors, women from wealthy families, but he made also many family portraits, portraits of friends, relatives, children. With all these people he was trying to get more or less affinity by communicating during the posing sessions. He tried to capture the personality in a portait: tenacity, calmness, severity, mildness...




For the different types of portraits examples are given. see the links below.