Author of the Book "Public Opinion" Identified

The question asks to identify the author of the significant book titled "Public Opinion". This influential work delves into the formation of public opinion and the role of media in shaping societal perceptions.

Understanding "Public Opinion" and its Author

"Public Opinion" is a landmark book published in 1922. It critically examines how individuals form opinions about events and issues beyond their direct experience. The book explores the concept of stereotypes and the influence of the press in creating a 'pseudo-environment' for citizens.

The author widely recognized for this seminal work is Walter Lippmann. Lippmann was a prominent American intellectual, a two-time Pulitzer Prize winner, and a key figure in journalism and political commentary during the 20th century. His analysis of public opinion, propaganda, and the press profoundly impacted fields like political science, sociology, and media studies.

Key Contributions of Walter Lippmann:

• Pioneering analysis of the role of media in shaping public perception.
• Introduction of concepts like the "stereotype" and "manufacture of consent".
• Critique of direct democracy and advocacy for expert opinion in governance.
• His work remains foundational for understanding mass communication and public discourse.

Therefore, Walter Lippmann is the author of the book, "Public Opinion".