Charles Sherlock Fillmore (August 22, 1854 - July 5, 1948) founded Unity in the late 1880s along with his wife Myrtle Page Fillmore, a church within the New Thought movement.
He became known as an American mystic for his contributions to spiritualist interpretations of biblical Scripture.
In 1889, Charles and Myrtle began publication of a new periodical, 'Modern Thought', notable among other things as the first publication to accept for publication the writings of the then 27-year-old New Thought pioneer William Walker Atkinson.
In 1890 they announced a prayer group that would later be called 'Silent Unity'.
In 1891, Fillmore's 'Unity' magazine was first published.
Although Charles had no intention of making Unity into a denomination, his students wanted a more organized group. He and his wife were among the first ordained Unity ministers in 1906. Charles and Myrtle Fillmore operated the Unity organizations from a campus near downtown Kansas City