Philadelphia scholar wins MacArthur Foundation "genius grant"

The big picture: Roberts joins a class of 21 other MacArthur Foundation Fellows, who were nominated and backed anonymously by their peers.

Zoom in: Roberts has worked to expose racial inequalities embedded within health and social service systems, per the foundation.

• She's also authored several books.

What she's saying: "My work makes more visible the injustices seemingly benevolent social systems inflict on marginalized communities," she said, per the foundation.