The correct answer to this open question is the following.
Although you did not include options for this question, we can answer the following.
The “father of journalism" was Joseph Pulitzer.
Pulitzer(1847-1911) was a publisher that first made his name in journalism in the "St. Louis Post-Dispatch, and years later in the famous "New York World." He spent many years competing with his rival, Randolph Hearst, publisher of the "New York Journal." The competition was fierce, and Pulitzer decided to exaggerate the news in order to have more readers and defeat Hearst. This action created was is known as sensationalism or the Yellow Press.