Robert Elliot Kahn

TCP/IP Protocol

He is known as one of the “fathers of Internet.” Kahn, along with Vinton G Serf invented what is known as the backbone of the internet- Transmission Control Protocol (TCP) and the Internet Protocol (IP). He propagated the importance of packet switching networks and played a major role in forming the Defense Advanced Research Projects Agency (DARPA), which is responsible for the development of new technologies.

Phil Zimmermann

Most Popular Email Encryption Software in World

Phil is the creator of the most widely used Email encryption software in the world. His encryption program was called Pretty Good Privacy (PGP), which provides privacy and authentication for data communication and he made it available to the public via FTP download.