As a child, David Berry dreamed of becoming a superhero. And now he is a superhero of sorts, not the kind that leaps tall buildings, but the kind that saves lives. Today, the 27-year-old M.D./Ph.D. student in the Harvard-MIT Health Sciences and Technology program received the prestigious $30,000 Lemelson-MIT Student Prize for inventing promising new ways to treat both stroke and cancer patients.
