Dr. David Dubbeldam: "In the past people were skeptical but time and again experimental values turn out to be the previously predicted simulation value for a perfect structure" Dr. Jocelyn Vreede: "When I first started studying chemistry I had never even worked on a computer, I was still writing up all my papers by hand" Prof. dr. Pim de Voogt: "Environmental chemistry is in need of more skilled scientists, which starts with a larger number of students"