This document provides an overview of the history and key developments in architecture. It discusses some of the earliest techniques like post-and-lintel construction and Greek orders. It also outlines important Roman innovations including the arch, vault and dome as well as materials like concrete. Later developments covered include flying buttresses, the use of new industrial materials like glass and iron in structures like the Crystal Palace and Eiffel Tower, and modern architects like Gaudi known for organic designs without straight lines. It also mentions Louis Sullivan coining the term "form follows function" and Frank Lloyd Wright's consideration of the environment in buildings such as Falling Water.