American Internet pioneer (born 1943) and one of 'the fathers of the Internet,' who developed TCP/IP technology and the first commercial email system. Three items: an original ballpoint sketch of the "Original ARPANET Configuration CA. 1970" on a white 8 x 5 sheet, signed below by Cerf, who also signs on the reverse; a color glossy 10 x 8 half-length photo of Cerf in an explanatory pose, signed in gold ink; and Cerf's personal Google business card, 3.5 x 2, signed in black felt tip. In overall very fine condition.
