Inflationary Cosmology on Trial The Inflation Debate: Is the theory at the heart of modern cosmology deeply flawed? A New Concept for Testing Inflation The "Bootstrap" Approach A Delicate Universe Problems with String (D-brane) Inflation Dark Energy, Inflation and Accelerated Expansion Are Extra Dimensions Compatible with Accelerated Expansion? What does Inflation Predict? Reassessment of Predictions for Scalar and Tensor Fluctuations Predictions of Spectral tilt Inflationary vs. Cyclic Model Predictions Inflation & Gravitational Waves Probing the Early Universe with Inflationary Gravitational Waves Archival Papers: Cosmology for grand unified theories with radiatively induced symmetry breaking (Andreas Albrecht & PJS,1982) Spontaneous creation of almost scale-free density perturbations in an inflationary universe (James Bardeen, PJS, Michael S. Turner,1983) Cosmocard