Now 82, she grew up in affluence as the only child of William McKnight, who rose from assistant bookkeeper to chief executive of the industrial giant 3M.

FORBES: From the heart

"The council now hopes the question of damages is dealt with as swiftly as possible to enable the families to have the necessary financial support, " said assistant chief executive Clive Moore.

BBC: Godstone Farm wholly liable for E. coli cases

Tina Tchen is Assistant to the President, Chief of Staff to the First Lady, and Executive Director of the White House Council on Women and Girls.

WHITEHOUSE: Travels with The First Lady: Africa