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Human communication was initiated with the origin of speech approximately 100,000 BCE. [1] Symbols were developed about 30,000 years ago. The imperfection of speech allowed easier dissemination of ideas and eventually resulted in the creation of new forms of communication, improving both the range at which people could communicate and the longevity of the information.
In 1900, Reginald Fessenden was able to wirelessly transmit a human voice. Millimetre wave communication was first investigated by Bengali physicist Jagadish Chandra Bose during 1894–1896, when he reached an extremely high frequency of up to 60 GHz in his experiments. [25]
By 1900, the telegraph had become an integral part of American life, linking people and businesses across the country and around the world. In 1876, Alexander Graham Bell invented the telephone. After 1920 it replaced the telegraph as the primary means of communication between cities.
The telephone played a major communications role in American history from the 1876 publication of its first patent by Alexander Graham Bell onward. In the 20th century the American Telephone and Telegraph Company (AT&T) dominated the telecommunication market as the at times largest company in the world, until it was broken up in 1982 and replaced by a system of competitors.
Wireless telegraphy developed in the early 20th century ... is a confidential communication between a diplomatic ... (c. 1900) Most of the early electrical ...
Most textbooks date the establishment of the "Publicity Bureau" in 1900 as the start of the modern public relations (PR) profession. Of course, there were many early forms of public influence and communications management in history. Basil Clarke is considered the founder of the PR profession in Britain with his establishment of Editorial ...
The face of immigration in the early 1900s. Jessica Butler. Updated February 23, 2017 at 12:25 PM. The face of immigration in the early 1900s.
The institutionalization of communication studies in U.S. higher education and research has often been traced to Columbia University, the University of Chicago, and the University of Illinois Urbana-Champaign, where early pioneers such as Paul F. Lazarsfeld, Harold Lasswell, and Wilbur Schramm worked.