Nicholas Ridley (1500-1555) was one of the member so the White Horse Inn discussion group that met at Oxford. He was also one of the Oxford Martyrs along with Latimer and Cranmer.
Under Cranmer Ridley was made Bishop of Rochester. One of his first acts was to replace the altars with tables in the churches. When Edward VI died Ridley was a strong supporter of Lady Jane Grey and signed letters giving her the throne. However, Mary Tudor (bloody Mary) took the throne and Ridley was sent to prison in the Tower of London.
Ridley, Latimer and Cranmer were all tried for heresy in Oxford. On 16 October Ridley and Latimer were burned at the stake.
Some of Ridley's works are available here: http://www.prdl.org/author_view.php?a_id=475