Being educated as a lithographer, John de Koning is currently active as an independent artist.
As a semi-professional archeologist he was involved in the 2009 publication of the article Tools from the Stone Bed of East Anglia 1.8 MYA in Apanarcheo 13. He has been travelling to England, France and Africa to study our prehistoric ancestors.
De Koning also keeps a large collection of Ravelli pottery, an interest he took up in the eighties when picking up a small vase at a garagesales.
Ravelli is an animated and personal account of the history of the Ravelli pottery firm, that was located in Leiden, The Netherlands. More than 60 photo's as well as interviews with the key players in the firm and examples of the products and working methods of this high-quality household earthenware that was internationally recognized in the 50s, 60s and 70s, and today is popular vintage pottery.