In old age the great mischief-maker Jean Dubuffet said his early works' punch was bound to the brief, historical moment it had provoked. Whether inspired by art by prisoners, children or the mentally ill to create zany images of politicians, cyclists and jazz musicians, or experimenting with concrete or butterfly wings, his paintings gave occupied and postwar Paris a jolt. At Waddington Custot Galleries, W1, until 14 April 2012 Photograph: PR
Some of the biggest names in contemporary art – including Tracey Emin, Antony Gormley and Yinka Shonibare – have contributed to this fundraising show, ending in an auction, for the homeless charity Crisis. What's more, with the exception of Anthony Caro's gift, it's all new, specially commissioned work. At Somerset House, WC2, from 14 March until 22 April 2012 Photograph: Mark Bourdillon
Originally an illustrator by trade, the Sussex-born postwar artist Keith Vaughan absorbed many lessons from the modern masters. An early painting of yellow cornfields where labourers puff pipes sings of Cézanne, the mask-like faces his nudes wear recall the cubist Picasso, while Matisse presides over the flat, rhythmic forms and colours of his later works. At Pallant House Gallery until 10 June 2012 Photograph: PR
Works such as Three Broad Bands graced conceptual art's landmark shows of the 1960s, his chums include Gerhard Richter, and he's taught the likes of Martin Kippenberger. Yet, outside Germany, Franz Erhard Walther is one of his generation's lesser-known names. At the Drawing Room, SE1, until 28 April 2012 Photograph: Francois Doury
Michael Day's video installations are a strange mix of Romantic metaphysical alienation and the superficial connection offered by global communications. Dreamlike seascapes and mountainous landscapes are upset by blatant gadgetry. At Bloc Projects until 24 March 2012 Photograph: Michael Day
Through a series of combinations of photographs, videos and audio recordings, Jeremiah Day builds up research into documentary subjects, the true significance of which remains elusive. Of All Possible Things, his first UK solo exhibition, tackles the unresolved legacies of the cold war. At Site Gallery until 14 April 2012 Photograph: PR
Veteran film-maker James Benning returns to his hometown of Milwaukee to update his highly influential 1977 work One Way Boogie Woogie. If you like your films with flashy effects, stay away from Benning's spoilsport subversions. At Northern Gallery for Contemporary Art until 9 June 2012 Photograph: PR
Renowned Mexican artist Minerva Cuevas uses old magic lanterns and 19th-century microscope projectors to evoke an era of almost alchemical scientific research into the workings of nature, human nature and the age-old troubled relationship between the two. At Cornerhouse Gallery until 25 March 2012 Photograph: PR
