Joseph John Pulitzer (born József Pulitzer; April 10, 1847 – October 29, 1911) was a newspaper publisher of the "St. Louis Post-Dispatch" and the "New York World". He became a leading national figure in the Democratic Party and was elected congressman from New York. He crusaded against big business and corruption, and helped keep the Statue of Liberty in New York.

In 1872, Pulitzer purchased a share in the Westliche Post for $3,000, and then sold his stake in the paper for a profit the following year. In 1878 he bought both the "St. Louis Dispatch", and the "St. Louis Post", merging the two papers as the "St. Louis Post-Dispatch", founded on December 12. It continues as St. Louis' daily newspaper. With his own paper, Pulitzer developed his role as a champion of the common man, featuring exposés and a hard-hitting populist approach.

The paper is owned by Lee Enterprises of Davenport, Iowa, which purchased Pulitzer, Inc. in 2005 in a cash deal valued at $1.46 billion.

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