Kevin Warwick is Professor of Cybernetics at The University of Reading, England, where he does research into artificial intelligence, robotics, and biomedical engineering.
While working on a robotic arm to help people who have lost a limb, he experimented on himself, implanting a device that links his nervous system directly to a computer. He can use it to remotely operate lights, heaters, and computers.
Under the right circumstances, someone else can control this device. His wife, Irena also put an implant into her body, and with that can control the device in his arm.
He wrote a book, "I, Cyborg" about his work and his implants.