Bart van der Leck he was painting in precisely that manner. That's the sort of person Doesburg was. No ideas of his own. And a cheat in bargain..." Among the public collections holding works by the artist are: Bart van der Leck Bart van der Leck (26 November 1876, Utrecht – 13 November 1958, Blaricum) was a Dutch painter, designer, and ceramicist. With Theo van Doesburg and Piet Mondrian he founded the De Stijl art movement. Son of a house painter, he started his career learning how to make stained glass in a shop in Utrecht. An example of his later stained glass work
Patrick van der Vorst for an undisclosed sum. After Auctionata's 2017 insolvency, ValueMyStuff was sold as a going concern. Van der Vorst bought back the ValueMyStuff assets in January 2017. Van der Vorst founded St George Valuations in 2011. It conducts in-person valuation assignments, appraising and cataloguing the contents of country estates, museum collections, and individual items from silver spoons to contemporary art. Van der Vorst is a contributor to the Huffington Post. Patrick van der Vorst Patrick van der Vorst (born 2 May 1971) is an entrepreneur, dealer and art expert and former winner on BBC's Dragons Den. Van der Vorst is the