American Internet pioneer (born 1943) and one of 'the fathers of the Internet,' who developed TCP/IP technology and the first commercial email system. Group of five business cards, ranging in size from 3.5 x 2 to 4 x 2.25, each signed in black ink or ballpoint by Vint Cerf. Companies include: Google (2; VP and Chief Internet Evangelist), Internet Society (2; President and Chairman of the Board), and Association for Computing Machinery (President). In overall fine condition.
