Greeley was a prominent American newspaper editor and politician of the 19th century. He is best remembered as the founder and editor of the New-York Tribune, one of the most influential newspapers of its time.
In addition to his journalistic work, Greeley was also a strong advocate for social and economic reform. He supported various progressive causes, including the abolition of slavery, women's suffrage, and the rights of workers.
In 1841, Greeley established the New-York Tribune Syndicate, a news syndicate that distributed articles and columns to other newspapers. The syndicate played an important role in spreading news and information across the country, and it helped to launch the careers of many promising writers.