Sixteen items signed by internet pioneers, including: two commemorative covers and a photo signed by Vint Cerf, one of 'the fathers of the Internet,' who developed Transmission Control Protocol (TCP) and the Internet Protocol technology and the first commercial e-mail system; a photo and two first day covers signed by Bob Kahn, the other 'father of the Internet,' who along with Cerf invented TCP/IP; a photo, two business cards, and an index card signed by Leonard Kleinrock, who played an influential role in the development of the ARPANET, the precursor to the Internet; two first day covers and photo signed by Lawrence Roberts, co-creator of ARPANET; two signatures of World Wide Web inventor Tim Berners-Lee, plus his unsigned business card; and a photo signed by mobile phone inventor Martin Cooper. In fine condition. In overall fine to very fine condition.