 During a career of 40 years as an international art dealer, Karsten Greve significantly contributed to the worldwide recognition of artists such as Louise Bourgeois – as the first to exhibit her in Europe  - John Chamberlain, Lucio Fontana, Jannis Kounellis, Piero Manzoni and Cy Twombly, of which up to two thirds of the works in today's market were sold by him initially.His intimate friendships with these artists provided the basis for his programme, which is defined by the international avant-garde after 1945.Karsten Greve on meeting Cy Twombly for the first time