100th Anniversary of the International Postal Conference The Netherlands. 1963 Design by Wim Crouwel This page was made possible with help from David B. Marshall and Nick Sherman.Co-sponsor this page. Wim Crouwel (1928–2019) was a Dutch graphic designer and typographer known for his posters and exhibition designs for the Stedelijk Museum in Amsterdam. To see some of his faces, click here. To see many pictures of his work, click here.