Complex sentence: Manchester was'one of the workshops of the world' during his childhood as Foster later put it during his childhood while his father, Robert, worked at Metropolitan Vickers at the Trafford Park plant-both helped fuel his interest in engineering and design.
Split into simpler sentences: Manchester was'one of the workshops of the world' during his childhood, as Foster later put it. His father, Robert, worked at Metropolitan Vickers at the Trafford Park plant-both helped fuel his interest in engineering and design.