Henry Gladwin Henry Gladwin Major-General Henry Gladwin (1729 or 1730 – 22 June 1791) was a British army officer in colonial America and the British commander at the Siege of Fort Detroit during Pontiac's Rebellion in 1763. He served in the disastrous campaign of Edward Braddock and in other actions in the French and Indian War but is best remembered for his defense of Detroit in Pontiac's Rebellion. Henry was born in 1729 or 1730 at Stubbing Court, near Wingerworth, Chesterfield, in Derbyshire. He was the eldest son of Henry Gladwin (1692–1763) by his second wife Mary daughter of John Digby Dakeyne
Siege of Fort Pitt become by 1763 and how far British officers were willing to go in ignoring their own soldiers' code of warfare. A devastating smallpox epidemic plagued Native American tribes in the Ohio Valley and Great Lakes area through 1763 and 1764, but the effectiveness of these instances of efforts to spread smallpox remain unknown. After extensive review of surviving documentary evidence, historian Francis Jennings concluded the attempt at biological warfare was "unquestionably effective at Fort Pitt"; Barbara Mann deduced "it is important to note that the smallpox distribution worked"; Howard Peckham noted the resulting fatal epidemic "certainly affected their vigorous prosecution