active·R&D and entrepreneurshipFrom Bill Gates to Elon Musk: chart shows changes in world's richest leaders22 Sept 2026·1 event·1 sourceFollowHow events unfoldedFrom the beginning to today22/09/2026, 11:05From Bill Gates to Elon Musk: chart shows changes in world's richest leaders1 source →1 of 1 eventsStoryline coverage1 source · 1/7