This document provides a historical overview of journalism from the penny press era to modern photojournalism and television news. It outlines the development of key newspapers and their editors from the 1800s. It also discusses the emergence of radio broadcasting networks like NBC and CBS in the 1920s-30s and the growth of broadcast news under anchors like Murrow, Cronkite and Jennings. The document then covers events like the Vietnam War, Pentagon Papers, Watergate scandal and the investigative reporting of Woodward and Bernstein that helped define modern television journalism.