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.