This document provides an overview of good manufacturing practices (GMP) in the pharmaceutical industry. It begins with definitions of GMP and discusses its early history starting in the 1900s with no regulations. Key events that led to increased regulation include Upton Sinclair's 1905 book The Jungle exposing unsanitary meat plants and the 1906 Pure Food and Drug Act. The document then outlines the timeline of major GMP regulations from 1902 to the present. It provides details on key areas covered by GMP including personnel, premises, equipment, process validation, and quality assurance.