This was made shortly after Pasmore's first abstract collage, during a transitional phase in his career. The structures and patterns, shapes and colours of his landscape - inspired paintings had evolved into a formal vocabulary, and Pasmore began to work in a more abstract manner. While he was also making paintings based on square or spiral forms, a major line of investigation during this time was collage in the Cubist manner, which he developed between 1949-53. Here he used scraps of coloured paper and newsprint to give a new reality, that is an anti-illusionistic content, to his compositions.
Inspired by a true story, Invincible recounts the last 48 hours in the life of Marc-Antoine Bernier, a 14-year-old boy on a desperate quest for freedom.