Dorothy Kilgallen was a prominent American journalist, columnist, and television personality. She was best known for her daily newspaper column, 'The Voice of Broadway,' which was syndicated across the United States. Kilgallen gained widespread fame as a regular panelist on the popular game show 'What's My Line?' for 15 years. Her later career was marked by her outspoken skepticism and independent investigation into the assassination of President John F. Kennedy, a pursuit that ended with her mysterious death.