American Internet pioneer (born 1943) and one of 'the fathers of the Internet,' who developed TCP/IP technology and the first commercial email system. Four items: a color glossy 8 x 10 half-length photo of Vint Cerf in an explanatory pose, signed in black felt tip by Cerf, who adds "Internet father"; and a set of three white 8 x 5 sheets, each signed in black felt tip by Cerf, who draws connection diagrams related to ARPANET and internet layers, and writes a list of four open networking objectives. In overall fine condition, with a paperclip impression to the top edge of the photo. Accompanied by a personal Google business card belonging to Cerf, who has signed the card in black ballpoint.