Oral history interview with Lawrence G. Roberts. Instituto Charles Babbage, University of Minnesota. Roberts directed the Information Processing Techniques Office (IPTO) during 1968-1973 and was later chief operating officer of Network Express. The interview focuses on IPTO and the Advanced Research Projects Agency. Much of Roberts' description of the work of ARPA and IPTO is set within the context of his interactions with Congress on budget matters. Topics include J. C. R. Licklider, Ivan Sutherland, Steve Lukasik, Wesley Clark, ARPA and IPTO support of research in computer science, computer networks, and artificial intelligence, the ARPANET, the involvement of universities with ARPA and IPTO.