English Captain: Mark Harrison

Mark Harrison served in both the Commonwealth and Restoration navies. From 1654 to 1655, he commanded the Dutch prize Church (Kerck). From 1655 to 1657, he commanded the Gift. From 1659 to 1660, he commanded the Dutch prize Elias (the former Amsterdam Directors's ship Elias). At the Restoration, he was continued in command of the Elias. In 1663, he commanded the 2nd Rate Rainbow. In 1665, he commanded the 4th Rate Centurion. In 1666, he commanded the 2nd Rate Unicorn. replacing Henry Teddiman before the Four Days Battle was over. He lasted in command a week before he was replaced. On the last day of the Four Days Battle, he was judged to have performed badly, and was removed after the battle. In 1672, he was again in command of the Rainbow for a time. Sources:

1. R. C. Anderson, List of English Naval Captains 1642-1660, 1964.

2. Frank Fox, A Distant Storm: the Four Days' Battle of 1666, 1996.

3. J.R. Tanner, A Descriptive Catalogue of the Naval Manuscripts in the Pepysian Library at Magdalene College, Cambridge, Vol.I, 1903.