Horace Greeley was an influential American newspaper editor and politician, best known for founding the New-York Tribune in 1841. He used his platform to advocate for various social causes, including the abolition of slavery and women's rights. Greeley was a prominent figure in the Whig Party and later helped establish the Republican Party. In addition to his work in journalism, Greeley ran for president in 1872 as the candidate for the Liberal Republican Party and the Democratic Party. Although he lost to Ulysses S. Grant, his campaign highlighted the political issues of the time, including corruption and economic reform.