Jan Linderberg, Scientist, Teacher, Friend -- Poul Jørgensen and His Science -- Multi-Photon Absorption of Molecules -- Two-Bond Spin-Spin Coupling Constants (2hJX-Y) Across X-H-Y Hydrogen Bonds: Some Fundamental Questions -- Structure Optimizations for Excited States with Correlated Second-Order Methods: CC2 and ADC(2) -- Angular Symmetry and Hylleraas Coordinates in Four-Body Problems -- The Rotational g Tensor as a Benchmark for Ab Initio Molecular Property Calculations -- Linear Response Properties Required to Simulate Vibrational Spectra of Biomolecules in Various Media: (R)-Phenyloxirane (A Comparative Theoretical and Spectroscopic Vibrational Study) -- A Theoretical Model to Calculate Fundamental Physical Parameters for Molecule-Particle Interactions -- Birefringences: A Challenge for Both Theory and Experiment -- The Ab Initio Calculation of Optical Rotation and Electronic Circular Dichroism -- Response of a Molecule to Adding or Removing an Electron -- A Non-Iterative Numerical Solver of Poisson and Helmholtz Equations Using High-Order Finite-Element Functions -- Some Trends in Relativistic and Electron Correlation Effects in Electric Properties of Small Molecules -- Restricted Density Functional Response Theory for Open-Shell Systems -- The Multiconfigurational Spin-Tensor Electron Propagator Method (MCSTEP).