They said it couldn't be done. But Anne Wafula achieved many remarkable things in her life. This is her incredible story.

Struck down with polio at the age of two and a half, Anne overcame the prejudice rife in her native village in Kenya, where neighbours believed she was cursed and called her a snake because of her disability, which left her paralysed below the waist.

Losing her mother at a tender age, and sent to a school far away from home, she achieved fantastic academic results, amidst the challenges of a military coup. She went to university and qualified as a teacher,...