The NATO Advanced Study Institute on "Quantum Chemistry of Polymers; Solid State Aspects" lIIas held at the MARITIM Congress Hotel Braunlage/Harz in the Federal Republic of Germany from July 25 - August 5, 1983. We lIIish to express our deep gratitude to the NATO Scientific Affairs Division, the main sponsor of the Institute, and to the National Foundation for Cancer Research, Bethesda, Maryland for their substantial support. We sincerely thank Dr. Craig Sinclair, Director of the NATO Advanced Study Institutes program as lIIell as the IIIhole Advanced Study Institute/Advanced Research Workshop Advisory Board of the NATO Scientific Affairs Division, IIIho have honored us by holding their external annual meeting during this School in Braunlage. We are very much indebted also to Dr. Mario Di Lullo, Director of the Advanced Research Workshop program of the NATO Scientific Affairs Division IIIho together lIIith Dr. Sinclair has given a very informative lecture about the NATO ASI/ARW programs. Special thanks are due to Mr. Franklin Salisbury, Executive Director of the National Foundation for Cancer Research, to Mrs. Tamara Salisbury, Deputy Director of the National Foundation for Cancer Research and to Dr. Mary Hennen Aldridge, President of the National Foundation for Cancer Research, IIIho also honored the School lIIith their presence.