Clark describes his research at Lincoln Laboratory and interaction with the Information Processing Techniques Office (IPTO) of the Advanced Research Projects Agency (ARPA). Topics include: various custom computers built at the Massachusetts Institute of Technology; timesharing and network research; artificial intelligence research; ARPA contracting; interaction with IPTO directors; the work of Larry Roberts at IPTO. https://conservancy.umn.edu/bitstream/handle/11299/107217/oh195wc.pdf?sequen... <https://conservancy.umn.edu/bitstream/handle/11299/107217/oh195wc.pdf?sequence=1> Andy Patros www.digitalmonalisa.com <http://www.digitalmonalisa.com/>