1956
Is one of eight Belgian artists selected by the Shell company to illustrate the world of oil.
Is a guest of the Belgian pavilion at the XXVIII Venice Biennale.
1957
Happily returns to a more lyrical abstraction, again inspired by a subjective interpretation of the elements of nature: Great red composition (Grande composition rouge), acquired by the Royal Museums of Fine Arts of Belgium in Brussels in 1958, Nocturnal reflects (Reflets nocturnes) (Municipal Museum of Ixelles).
Painted Sea mirage (Mirage marin), a large painting acquired by the Center for Scientific and Nuclear Research of Mol, and his Self-portrait in white (Autoportrait en blanc).
1958
Is chosen as a juror for the exhibition of Belgian art at the Brussels World's Fair, and for the Rome Prize as well.
He is Nominated for an award from the Guggenheim Foundation, New York, during an international exhibition.
Awarded the Grand Prix de la Critique d'Art in Charleroi.
He has solo exhibitions at the Palace of Fine Arts in Brussels and Charleroi.
The curator of the Museum of Modern Art in Brussels, Francine-Claire Legrand, holds a conference at the Palace of Fine Arts in Charleroi on Van Lint and the joy of painting.
He paints Geological section (Coupe géologique) (Stedelijk Museum voor Current Kunst, Ghent).
Suffers a nervous breakdown for two years.
1959
A stay in Britain inspires a few paintings and watercolours, like Cumulus in Trégastel.
Has a personal exhibition at the Artistic and Literary circle in Ghent.
Leaves Saint-Josse and builds a house in Kraainem in the outskirts of Brussels.
1960
Is elected as a fellow of the Royal Academy of Belgium.
Wins the International Prize for painting Marzotto, Lugano.
Personal exhibition at the APIAW in Liege.
Paints Fall wilderness (Sauvagerie automnale) (Royal Museums of Fine Arts of Belgium, Brussels), and Seaweed (Algue marine) (Musée communal d'Ixelles, Brussels).