THE WORK OF THE RESEARCH AND TECHNOLOGY DIVISION OF SYSTEM DEVELOPMENT CORPORATION DURING 1966 IS REPORTED. THE PROGRESS OF VARIOUS STUDIES AND ACTIVITIES DISCUSSED IN THE REPORT WERE ADVANCED PROGRAMING, INFORMATION PROCESSING RESEARCH, PROGRAMING SYSTEMS, DATA BASE SYSTEMS. LANGUAGE PROCESSING AND RETRIEVAL, BEHAVIORAL GAMING AND SIMULATION RESEARCH EDUCATION AND TRAINING, MATHEMATICS AND OPERATIONS RESEARCH, COMPUTER CENTER DEPARTMENT, AND SPECIAL SERVICE OPERATIONS. IN ADDITION, THE REPORT CONTAINS DESCRIPTIONS OF DIVISION-SPONSORED BOOKS, DEMONSTRATION PROGRAMS, MEETINGS AND COLLOQUIUMS, AND PROFESSIONAL ACTIVITIES OF THE STAFF. (TC)