Jean-Paul Sartre | Jean-Jacques Rousseau | Jean Cocteau | Jean Genet | Jean-Luc Godard | Wyclef Jean | Jean Racine | Jean Chrétien | Jean Michel Jarre | Jean Paul Gaultier | Jean Nouvel | Jean-Michel Basquiat | Jean Giraud | Jean Sibelius | Jean-Luc Ponty | Jean-Baptiste-Camille Corot | Jean-Claude Van Damme | Jean Renoir | Jean-Pierre Rampal | Jean-Léon Gérôme | Jean Harlow | Jean Anouilh | Billie Jean King | Jean Giraudoux | Jean-Bertrand Aristide | Jean Baudrillard | Jean-Pierre Thiollet | Jean-Martin Charcot | Jean Gabin | Jean de Florette |
Hoffberger found inspiration on a visit to the Collection de l'art brut in Lausanne, Switzerland, which was established by French artist Jean Dubuffet as a collection of “l'art brut” or “raw art because of the untamed emotions resonating in it.”
In the 1940s, he traveled for five year in Europe, to Italy, France, Greece and Egypt, where he studied the works of Antoni Tàpies, Jean Dubuffet, Robert Motherwell, Louise Nevelson, Robert Rauschenberg and Mark Rothko .
Drawing inspiration from outsider and tribal art, Havard stands within a tradition that includes such notable artists as Paul Gauguin, Cy Twombly, Jean Dubuffet, Jean-Michel Basquiat, and Joseph Beuys.
He has been friends with such cultural figures as Roland Topor, Anaïs Nin, Jean Dubuffet and Jean Paulhan.
A third wave of artists fleeing the Nazis during the Second World War takes refuge in the city, such as Tristan Tzara or Jean Dubuffet and Marc Chagall.
Artists from 21 countries participated with fifty-eight sculptures from various artists like Anthony Caro, Jean Tinguely, Anthony Gormley, Marcel Pinas, Salvador Dalí, Ryas Komu, Lu Shengzhong, Eko Prawoto, Thomas Houseago, Jaume Plensa, Atelier van Lieshout, Subodh Gupta, Yayoi Kusama, Jean Dubuffet, Rodin, Dennis Oppenheim, Ugo Rondinone, Joost Conijn etc.
This tradition has inspired artists from many disparate disciplines, amongst them, the writers, Ted Hughes (1992), Carlota Caulfield (2003), and Hilary Mantel in Wolf Hall (2009); visual artists, Jean Dubuffet (1977) and Bill Viola (1985); and composer John Buller (2003).