Autograph of Leonard Kleinrock

Certified Authentic autograph on photo. Leonard Kleinrock (1934). American engineer and scientist in the field of information technology and computer networks. Professor, School of Engineering and Applied Sciences, University of California, Los Angeles. Kleinrock made significant contributions to the development of computer networks and played an important role in the development of the ARPANET in Los Angeles, the network that became the predecessor of the Internet. His theoretical work on hierarchical routing is still used to power the modern Internet.