Chapter 14 traces the evolution of large-scale structure in the Universe back to the first generation of stars and galaxies. Observations are compared to computer models for the formation of structure...Chapter 14 traces the evolution of large-scale structure in the Universe back to the first generation of stars and galaxies. Observations are compared to computer models for the formation of structure at different hierarchical levels, including filaments and voids, clusters and groups of galaxies, and individual galaxies. The chapter concludes with an examination of the formation of the first stars and galaxies.