He describes with candour his childhood in Seattle, the centrality of family – his close relationship with his card-playing grandmother and his demanding but caring parents – his struggles to fit in, his rebelliousness, his first deep friendships and the impact of losing his closest friend.

We see Gates’s extraordinary mind developing, the restless teenager who discovered a love of coding and computing at the dawn of a new era and felt that ‘by applying my brain, I could solve even the world’s most complex mysteries’. We see the earliest signs of his phenomenal business acumen, which led him to drop out of Harvard at the age of 20 to devote all his energies to Microsoft, the company he started with his childhood friend Paul Allen. He writes about his first involvement with three Steves – Jobs, Wozniak and Ballmer – who would play a crucial role in so much that followed.