Optical Wavelengths -- Deep Redshift Surveys: The VIMOS VLT Deep Survey (Invited) -- Constraints on Cosmology and Galaxy Formation from the NHDF -- The end of the Dark Ages: Probing the Reionization of the Universe With HST and JWST -- The Lenses Structure & Dynamics Survey -- Searches for High Redshift Galaxies Using Gravitational Lensing -- The 2dF QSO Redshift Survey -- Rest-Frame UV Spectra of Star-Forming Galaxies: From Z ? 3 to the Redshift Desert -- Evolution of the Galaxy Luminosity Function in the Fors Deep Field (FDF) -- The Halo Occupation Number and Spatial Distribution of 2dF Galaxies -- The Formation of the Hubble Sequence -- Clustering of High Redshift Galaxies in the Canada-France Deep Fields Survey and Virmos Deep Imaging Survey -- Angular Clustering with Photometric Redshifts in the SDSS: Bimodality in the Clustering Properties of Galaxies -- Optically and X-Ray Selected Clusters of Galaxies in the XMM/2dF/SDSS Survey -- Structure Formation and Galaxy Evolution at Z=3-7 Probed by 2,600 Galaxies in The Subaru Deep Fields -- Illuminating Protogalaxies? Discovery of Extended Lyman-? Emission Around A Z=4.5 Radio-Quiet QSO -- Spectro-Morphology of Galaxies -- Microwave Wavelengths -- Recent CMB Observations (Invited) -- New Results & Current Work with the CBI -- The Galactic Dust as a Foreground to Cosmic Microwave Background Maps -- Neutrino Physics in the Light of WMAP -- Archeops: An Instrument for Present and Future Cosmology -- Radio/Sub-mm Wavelengths -- Obscured Star Formation in the High-Z Submillimetre Universe -- Deep Near-Infrared Imaging of Submillimeter Selected Galaxies -- Simulating the High-Redshift Universe in the Sub-Mm -- A Bayesian Photometric Redshift Technique for Mm-Selected Galaxies -- Extremely Red Galaxies in the Phoenix Deep Survey -- A Physical Model for the Joint Evolution of QSOS and Spheroids -- The Local Sub-Mm Luminosity Functions and Predictions from Astro-F/Sirtf to Herschel -- Multicolour Photometry of the VIRMOS-VLA Radio Sources -- Proto-Clusters Associated with Radio Galaxies from Z=2 to Z=4 -- High Redshift Radio Galaxies as Tracers of Galaxy Clusters. XMM-Newton Observations -- A New Deep SCUBA Survey of Gravitationally Lensing Clusters -- Infra-Red Wavelengths -- Galaxy Evolution in the IR and the Promise of SIRTF (Invited) -- SWIRE: The Sirtf Wide-Area Infrared Extragalactic Survey -- Subaru/XMM-Newton Deep Survey (SXDS) -- Dusty Starbursts and the Growth of Cosmic Structure -- Final Analysis of ELAIS 15 ?m Fields -- ELAIS-South: The Nature and Evolution of Galaxies and AGN in the Mid-Infrared -- Properties of a Large Sample of ERO's -- Simulations & Theory -- Cosmology and Astrophysics with Clusters of Galaxies (Invited) -- Structure Formation in Dynamical Dark Energy Models -- Study of Galaxy Cluster Properties from High-Resolution SPH Simulations -- X-Ray Cluster Properties in SPH Simulations of Galaxy Clusters -- Evolution of Magnetic Fields in Galaxy Clusters -- First Starbursts at High Redshift: Formation of Globular Clusters -- Expected Properties of Primeval Galaxies and Confrontation with Observations -- Void Hierarchy and Cosmic Structure -- The Merging History of Massive Black Holes -- Critique of Tracking Quintessence -- X-ray Wavelengths -- Cosmological Constraints from X-Ray Observations of Galaxy Clusters (Invited) -- On the Intracluster Medium in Cooling Flow & Non-Cooling Flow Clusters -- Cosmological Constraints from the Evolution of the Cluster Baryon Mass Function -- X-Ray Observations of the Most Massive DLS Shear-Selected Galaxy Clusters -- Cosmology with XMM Sharc Clusters -- Constraints on the Dark Matter Self-Interaction Cross-Section from the Merging Cluster 1E 0657-56 -- Scaling Laws in X-Ray Galaxy Clusters at Redshift > 0.4 -- The Evolution of Cluster Substructure -- Galaxies Beyond the Detection Limits of Deep X-Ray surveys -- The X-Ray Properties of 'Normal' Galaxies -- The HELLAS2XMM 1dF Survey: On the Nature of High X-Ray/Optical Flux Sources -- Redshift Spikes in the Chandra Deep Field South -- The 2 Ms Chandra Deep Field-North -- Inferring the Star-Formation History from X-Ray Observations of Clusters -- The XMM-Newton Hard Band Wide Angle Survey -- Future Missions -- Cosmology with ESA's Future High-Energy Astronomy Programme (Invited) -- Probing IGM Reionization through the 21 CM Radiation -- Summary -- Concluding Remarks -- Open Talk -- Ionian Philosophers and Early Greek Cosmology (Invited).