Bela Karolyi, the charismatic if polarizing gymnastics coach who turned young women into champions and the United States into an international power, has died.

Even if you haven’t been watching the Olympic Games like a hawk, you’ve likely heard the biggest news of the week: Gymnast Simone Biles, who is widely regarded as the greatest of all time, withdrew from the women’s team contest after her first rotation on the vault Tuesday, and then pulled out from the individual all-around competition the following day.