As one of the first collaborators of Manfred Eigen, who had been appointed as a department director at the institute in 1953, De Maeyer became deeply involved in a new approach to the study of very fast chemical processes, which was based on the measurement of chemical relaxation phenomena during the return to equilibrium after a physically induced perturbation of a chemical system.Salvatore Califano, Pathways to Modern Chemical Physics, p.260, (2012)
