Rahul Sarpeshkar leads a research group on bioelectronics at the Massachusetts Institute of Technology (MIT), where he has been a professor since 1999. This book is based on material from a course that Professor Sarpeshkar has taught at MIT for 10 years, where he has received both the Junior Bose Award and the Ruth and Joel Spira Award for excellence in teaching. He has won several awards for his interdisciplinary bioengineering research including the Packard Fellow Award given to outstanding faculty.