The contribution of Haldor Topsoe to the advancement in zeolite science and technology is well recognized by the scientific community. He promoted the development of innovative approaches for the synthesis of zeolite-based materials, which are the basis of important research topics in which still operate numerous research groups around the world; some of the materials obtained are the basis for the development of new technologies applied also at an industrial level. In this paper, the main achievements of Haldor Topsoe in the field of science and technology of zeolites are briefly described and discussed also in view of their industrial perspectives. (C) 2015 Elsevier Inc. All rights reserved.