Short answers, pulled from the story.
John Bull was born in the year 1562 or 1563, though his exact birthplace remains a subject of historical debate. Thurston Dart proposed that his family originated in Somerset while Susi Jeans suggests he was born in the Radnorshire parish of Old Radnor within the Diocese of Hereford.
John Bull fled England secretly on the 10th of October 1613 to escape the wrath of George Abbot, Archbishop of Canterbury, and King James due to charges of adultery. He had fathered a child pre-maritally with Elizabeth Walter and assaulted a church minister in front of the congregation before fleeing to Flanders.
After becoming Master of the Children at Hereford Cathedral, John Bull received his degree from Oxford in 1586 and later became organist at the Chapel Royal in 1591. He eventually served as the first professor of music at Gresham College starting in 1596 until he was forced to leave his post on the 20th of December 1607.
John Bull wrote a book containing 120 canons which is considered one of the most unusual collections of music from that period. Of these 120 canons, 116 are based on the Miserere theme using techniques such as diminution, augmentation, retrograde and mixed time signatures.
John Bull died in Antwerp and was buried on the 15th of March 1628 in the cemetery next to the cathedral. He had been appointed assistant organist at Antwerp Cathedral in 1615 and principal organist there in 1617 before his death.