This report contains a summary of research done at Alfred P. Sloan School of Management to study the information requirements associated with research and development activity under the headings: parallel projects, laboratory communication networks, characteristic costs of information channels, and interorganizational transfer of information. Principal conclusions and implications of this research are given, and theses, papers and reports produced as part of the research program are listed. Three appendices contain reports on the problem of internal consulting in research and development organizations, information flow in research and development laboratories, and a model for the description and evaluation of technical problem solving. (RP)