Lydia Ko during the AIG Women’s British Open at Woburn Golf Club in Woburn, England. (Richard Heathcote/Getty Images)

3. Lydia Ko

Broke nearly ever “youngest-to” record in the book as a teenager. Collected 15 LPGA titles from 2012 to 2018, including two majors. Spent 104 weeks as No. 1. Olympic silver medalist.