Series I. RAND (The RAND Corporation) -- (1945) 1950-1990 contains papers relating to Newell's work with the RAND Corporation in both Santa Monica, CA and Pittsburgh, PA. The series comprises six and one-half boxes (6.5 cu. ft.). Represented are materials relating to the NSS Chess Machine; scientific papers (including those of the CIP group) by Newell, Simon, and others; the O.K. Moore logic experiments used to test the LT and develop the GPS; the IPLs developed to program LT and GPS; and JOSS, a multi-task spreadsheet program.