American Internet pioneer (born 1943) and one of 'the fathers of the Internet,' who developed TCP/IP technology and the first commercial email system. Two items: an original felt tip sketch of the "Original ARPANET, Dec 1969" on a white 8 x 5 sheet, signed below by Vint Cerf; and a color glossy 8 x 10 full-length photo of Cerf seated on a conference table, signed in black felt tip by Cerf, who adds "Internet Father." In overall fine condition, with a light 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 felt tip.