A journalist was a person who reported news. The Doctor encountered many journalists throughout his travels.
In 1899, the Sixth Doctor and Peri met Winston Churchill when he was a war correspondent in the Boer Wars. (PROSE: Players)
In the 1960s, TV journalist Harold Chorley covered the British Army's fight against the Great Intelligence and its robot Yeti in the London Underground. (TV: The Web of Fear)
Shortly after UNIT was formed, journalist James Stevens began investigating the organisation. (PROSE: Who Killed Kennedy)
In the 1970s, TV journalist Alastair Fergus covered Prof. Gilbert Horner's excavation at Devil's Hump. (TV: The Dæmons)
Journalist Jamie Ferguson was killed while investigating strange goings-on near Puddlesfield. (COMIC: The Celluloid Midas)
Journalist Sarah Jane Smith became the Third Doctor's companion. (TV: The Time Warrior)
In 2001, the Sixth Doctor and the Brigadier met journalist Claire Aldwych, who was investigating strange goings-on in Turelhampton. (PROSE: The Shadow in the Glass)
In 2003, journalist Gideon Crane went to Malebolgia to investigate Brigham Elisha Dashwood III's PSI machine. (AUDIO: Minuet in Hell)
In 2006, the Seventh Doctor met journalist Ruby Duvall, who was covering the SS Elysium's tour of Antarctica. (PROSE: Iceberg)
In 2007, the Seventh Doctor persuaded journalist Shreela Govindia to submit an article he had written about telekinesis under her name as part of his plan to defeat the Butler Institute. (PROSE: Cat's Cradle: Warhead)
In 2008, journalist Vivien Rook was killed while investigating Harold Saxon. (TV: The Sound of Drums)
In 2009, the Tenth Doctor and Donna Noble met journalist Penny Carter, who was investigating Adipose Industries. (TV: Partners in Crime)
Later that year, journalist Jo Nakashima was killed while investigating ATMOS. (TV: The Sontaran Stratagem)
In 2013, the Tenth Doctor met journalist Kate Maguire, who was investigating Hyperville. (PROSE: Autonomy)
Lillian Belle was a journalist living on Sunlight 349 and interviewed Daniel Ash at the sight of a train crash. (TV: The Dalek Generation)