Robert Crumb a name renown with comic artwork in an era which really defined the movement and popularity. Most recently R. Crumb has produced work for the likes of Supreme and his new exhibition at the ICA Philadelphia provides a retrospective of his works from various mediums and ventures. ‘R. Crumb’s Underground’ will be open for two months from September 5 and will include it all with themes of sex, social satire, jazz and the blues help to frame the artists work, epic.