Dot Richardson, two-time Olympic Gold Medalist and orthopedic surgeon, with her new Girls Explore Doll. Dot debuts this week as an Olympic commentator, children's book author and subject of a Girls Explore doll. Girls Explore encourages young girls to strive for their goals by celebrating real women -- historical and contemporary role models in major fields of science, sports, the arts, the humanities, and business. Richardson's first children's book, Go For It, was released this month.