At the behest of British architect John Pawson, in the late 1960s de Groen left Australia to travel abroad, teaching and exhibiting in England, France, and Canada from 1968 until 1973.
Geoffrey Chaucer | Geoffrey Rush | Geoffrey of Monmouth | Geoffrey Moull | Geoffrey Hill | Geoffrey Keezer | Geoffrey de Montbray | Geoffrey Wilkinson | Geoffrey Howe | Geoffrey Blainey | Geoffrey Robertson | Geoffrey Keating | The Sketch Book of Geoffrey Crayon, Gent. | Geoffrey Palmer | Geoffrey Hartman | Geoffrey C. Hazard, Jr. | Geoffrey Robinson | Geoffrey Owens | Geoffrey Layton | Geoffrey Gurrumul Yunupingu | Geoffrey de Mandeville | Geoffrey de Luterel | Geoffrey Burbidge | Geoffrey | Groen | Geoffrey Winthrop Young | Geoffrey Whitehead | Geoffrey Taylour, 4th Marquess of Headfort | Geoffrey Richmond | Geoffrey Palmer (actor) |