DescriptionIr. L.F. Ottens, 2007 (headshot).jpg English: Lou Ottens in his garden in 2007, during an interview for 'De Ingenieur', the periodical of the
DescriptionIr. L.F. Ottens, 2007 (cropped).jpg English: Lou Ottens in his garden in 2007, during an interview for 'De Ingenieur', the periodical of the