We begin our story in a cul-de-sac with neat green lawns in what was once one of the nicest towns in central Pennsylvania. It was morning; the dew had dried on the grass and the daybreak cold was over. The twins had
Robert Langer, an MIT Chemical Engineering professor, is one of the best-known biomedical engineers in the world. He holds 500 issued and pending patents and is in the National Inventors…