Interview with Les Cottrell, emeritus physicist and former Assistant Director of Computing and head of networking at SLAC. Cottrell recounts his upbringing in England and how the Space Race captured his attention. He describes his undergraduate education at Manchester University, where he became interested in nuclear physics, and where he decided to stay on for graduate school. Cottrell discusses the Ferranti supercomputer, and he explains his early appreciation of the impact of computers on accelerator physics. He describes the opportunities that led to his postdoctoral appointment at SLAC to join Dick Taylor’s Group A, and he explains how computers were essential in analyzing experimental data. Cottrell discusses his collaborations at Berkeley Lab and his visiting position at IBM at Hursley. He explains the growing importance of SLAC’s networking group, and he discusses his advisory work for the SSC. Cottrell discusses the celebration surrounding Dick Taylor’s recognition with the Nobel Prize and his collaborations with IHEP in China. He explains the origins of the World Wide Web as a solution, in part, to transmitting physics data across international collaborations. Cottrell discusses his recent efforts to expand internet connectivity to rural communities worldwide and why networking was so important for LCLS and LCLS-II. At the end of the interview, Cottrell prognosticates on the future of computer networking, and the physical limitations that could be overcome by parallelizing computing.