التريليون لا يكفي.. لماذا لا يتفوق ماسك على ملك مالي؟

The record IPO of SpaceX, which pushed Elon Musk’s fortune to the verge of a trillion dollars, brought back an old question to the fore: Has the founder of Tesla and SpaceX become the richest man in history, or is this title still eluding modern stock market indicators because of a man who lived seven centuries ago in West Africa: Mensa Musa, the Emperor of Mali and the “King of Gold”?