Jörg-Rüdiger Sack

Jörg-Rüdiger Wolfgang Sack (born in Duisburg, Germany) is a professor of computer science at Carleton University, where he is Chancellor's Professor. Sack received a master's degree from the University of Bonn in 1979 and a Ph.D. in 1984 from McGill University, under the supervision of Godfried Toussaint. He is co-editor-in-chief and executive editor of the journal ''Computational Geometry: Theory and Applications'', co-editor of the ''Handbook of Computational Geometry'' (Elsevier, 2000, ), and co-editor of the proceedings of the biennial Algorithms and Data Structures Symposium (WADS). He was a co-founding editor-in-chief of the open access ''Journal of Spatial Information Science'' but is no longer an editor there. Sack's research interests include computational geometry, data structures and geographic information systems. Provided by Wikipedia