question: Around which famous playwright does this theory, written by American Congregational and Unitarian minister, revolve?
answer: William Shakespeare
context: Title: David Rhys Williams
  Passage: David Rhys Williams (1890 – March 28, 1970) was an American Congregational and Unitarian minister who wrote a Marlovian book called "Shakespeare Thy Name Is Marlowe".
  Title: American Congregational Union
  Passage: The American Congregational Union was formed in 1853 to promote Congregationalism in the United States, primarily through the construction of Congregational churches.  In 1892, its name was changed to the Congregational Church Building Society.  It was an agency of the National Council of Congregational Churches.
  Title: John H. Dietrich
  Passage: John Hassler Dietrich (1878–1957) was a Unitarian minister, born at Chambersburg, Pennsylvania, is called the "Father of Religious Humanism".  He was educated at Franklin and Marshall College and at the Lancaster Theological Seminary in Lancaster, Pennsylvania, ordained in the ministry of the Reformed Church in 1905, and defrocked in 1911 for failing to affirm primary Christian beliefs.  His religious development evolved to Humanism and Unitarianism, in which he served various pastorates, including First Unitarian Society of Spokane (1911-1916), and then First Unitarian Society of Minneapolis (1916-1938).  He retired to Berkeley, California, where he died.  He is buried in the crypt of First Unitarian Church of Chicago.  He was the author of:
  Title: Marlovian theory of Shakespeare authorship
  Passage: The Marlovian theory of Shakespeare authorship holds that the Elizabethan poet and playwright Christopher Marlowe was the main author of the poems and plays attributed to William Shakespeare.  Rather, the theory says Marlowe did not die in Deptford on 30 May 1593, as the historical records state, but that his death was faked.
citations: David Rhys Williams Marlovian theory of Shakespeare authorship