Prof. ir. Jan de Koning Dies
Prof. Jan de Koning died suddenly in Amsterdam on April 12, at the age of 78. He had retired on September 29, 1993 after a 42-year dredging career that included developing important dredging techniques, obtaining 29 patents for dredging equipment, and guiding many dredging students in his role as professor of Dredging Technology at Delft University.
Bron: dredgemag.com, 10-08-2003;