'Dead End' (2018), Loie Hollowell Frank Cohen is one of the UK's most renowned art collectors. Since selling his DIY business in 1997, he has built up a collection of more than 2,000 artworks by…

Marc Chagall, Dos à dos, 1984 Marc Chagall’s star still shines bright today: the Russian-French Modernist is coveted by collectors and connoisseurs alike. Our columnist explains why JEAN-DAVID…