Photo Ad Petersen
With Wim van Wageningen (r) and unknown intern early 1960's. Photo Leonard Freed
With Nel Verschuuren (m) and Tinus van de Kerkhof (r). 1971 Photo jan Versnel
Puerto Rico 1968
With Harry Wagemans CEO Artifort, Cologne 1971
With sofa 115 in his living room. 1967
With Krijn Hamelink working on Grosfillex chair in the basement of Kho's house. Photo Aart Klein
With Sheila Hicks, Stedelijk Museum, Amsterdam 1969
With Wim Crouwel and Ad Windig at the Auping stand 1957. Photo Ine Kho-Roos
NYC. Photo Nathan Shapiro
With Klaas Gubbels. Photo Wouter van Heusden
With Leo Castelli, Geoffrey Harcourt, Pierre Paulin and... 1970 Photo Artifort
WIth Ettore Sottsass. 1970 Photo Dolf Toussaint
At his working room Amsterdam 1971 Photo X
As a student with Johan Niegeman 1951
At his studio Warmoesstraat. c. 1956 Photo Lood van Bennekom
At Artifort. 5th from left CEO Harry Wagemans. Photo F. Lahaye
Photo Jan Versnel
Plan de la Tour, France with Arie Jansma 1970