She was not only a millionaire but also a philanthropist and political activist — “I want to live to help my race” — these were some of Madam C.J. Walker’s last words from her deathbed. …

A Q&A with Robert Campbell, who’s promoting the health benefits of his kind of chocolate — Robert Campbell is an underground chocolate renegade in Philadelphia, on a one-man quest to redefine craft chocolate as a health food from his wife’s Venezuelan restaurant, Sazon. Campbell is responsible for nearly all the chocolate production himself, with a little help from his wife, Judy, a cook and a server…