William Murphy Jr., M.D., invented disposable medical devices, including, procedure trays, blood bags, physiologic cardiac pacemakers, angiographic injectors, and hollow fiber artificial kidneys. Born in Boston, Murphy studied pre-medicine at Harvard earned his M.D. from the University of Illinois. He also studied engineering at MIT. Murphy founded a company that focuses on developing medical instrumentation and established FIRST (For Inspiration and Recognition of Science and Technology).