Rosemary grew up in a poor family in the North West of England, at the end of the Second World War. Struggling for survival in the era of ration books and austerity, she was destined for something astonishing and inspiring, far beyond even her wildest dreams. John Lancaster, whom she married, left school without qualifications, but had an amazing ability to fix machines and invent things. He would go on to corner the market in conservatory roofing...