Quantum Calculations, Which Are Accumulative in Accuracy, Unrestricted in Expansion Functions, and Economical in Computation; Zero Differential Overlap in [pi]-Electron Theories; Theory of Atomic Hyperfine Structure; The Theory of Pair-Correlated Wave Functions; Quantum Chemistry and Crystal Physics, Stability of Crystals of Rare Gas Atoms and Alkali Halides in Terms of Three-Atom and Three-Ion Exchange Interactions; Charge Fluctuation Interactions in Molecular Biophysics; Quantum Genetics and the Aperiodic Solid. Some Aspects on the Biological Problems of Heredity, Mutations, Aging, and Tumors in View of the Quantum Theory of the DNA Molecule.