But going back in time, there is a wonderful book by Caroline Jones called Machine in the Studio, where she contrasts the attitude of the abstract expressionists working as solitary artists in what she calls a «sacred studio» to that of Frank Stella. (bombmagazine.org)
Art Brut is a phrase coined by Jean Dubuffet (1901 - 85), to denote artworks produced by people outside the established art world, such as solitary artists, the maladjusted, patients in psychiatric institutions, and fringe - dwellers of all kinds - typically not for display or profit. (visual-arts-cork.com)
Their conversational styles reflected their work — Puryear, a noted solitary artist was serious and straight to the point; while Gates, a social sculptor, was loose and humorous. (rollingout.com)