Himself - Interviewer and Narrator
Himself - Computer Scientist
Himself - Electrical Engineer, Co-Inventor of the TCP-IP Protocols
Himself - Author of 'The Pattern on the Stone: The Simple Ideas That Make Computers Work'
Himself
Himself - Assistant Professor of Computer Science and Robotics, Carnegie Mellon University
Himself - Computer Scientist, Stanford University
Himself - Professor, Department of Electrical and Computer Engineering, Carnegie Mellon University
Himself - Assistant Professor, University of Massachusetts Amherst
Herself