Pieter Philippus Jansen

Pieter Philippus Jansen (11 August 1902 – 5 July 1982) was a Dutch civil engineer and hydraulic engineer who made significant contributions to hydraulic engineering in The Netherlands. He spent the majority of his career with Rijkswaterstaat, working on several major projects including the first phase of the Delta Works and leading the reclamation and repair efforts following the inundation of Walcheren. Provided by Wikipedia