Samuel Atta Mills on his father Ghanaian President John Atta Mills

Samuel Kofi Atta Mills is the son of the late president of Ghana, John Atta Mills (pictured). He describes their close relationship, and his memories of the year he spent living at the official residence.

Also, young Sri Lankan cricketer Pulina Tharanga tells how sport helped him overcome the loss of both his parents.

And concentration camp survivor Martin Greenfield describes how he ended up making suits for at least three American presidents.

Image: Ghanaian President John Atta Mills, Credit: AFP/Getty