III · The web
Vint Cerf
1943–
Google chief internet evangelist · co-creator of TCP/IP
Gave us
TCP/IP, with Bob Kahn. The protocols that hold the internet together.
The story
Cerf's 1974 paper with Kahn ("A Protocol for Packet Network Intercommunication") is the founding document of the modern internet. Hearing-impaired since birth; became a tireless advocate for accessibility.