Sir John Henslow was Surveyor to the Navy (Royal Navy

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

) a post he held jointly or solely from 1784 to 1806.

Career

He was 7th child of John Henslow a master carpenter in the dockyard at Woolwich

• 1745 Apprenticed to Sir Thomas Slade
• 1762 Master Boat Builder at Woolwich
• 1771 Assistant Surveyor to the Navy
• 1784 Surveyor to the Navy
• 1793 Kinghted
• 1806 retired to Sittingbourne
  Sittingbourne
  Sittingbourne is an industrial town about eight miles east of Gillingham in England, beside the Roman Watling Street off a creek in the Swale, a channel separating the Isle of Sheppey from mainland Kent...
  
  , Kent

Cape Henslow on Guadalcanal

Guadalcanal

Guadalcanal is a tropical island in the South-Western Pacific. The largest island in the Solomons, it was discovered by the Spanish expedition of Alvaro de Mendaña in 1568...

 is named after him

Among the vessels he designed were the Acute class gun-brigs and four frigates to the same design, the first of which was Phoebe

HMS Phoebe (1795)

HMS Phoebe was a 36-gun fifth rate of the British Royal Navy. She had a career of almost twenty years and fought in the French Revolutionary Wars, the Napoleonic Wars and the War of 1812...

.

His son John Prentis Henslow, solicitor, was father of John Stevens Henslow

John Stevens Henslow

John Stevens Henslow was an English clergyman, botanist and geologist. He is best remembered as friend and mentor to his pupil Charles Darwin.- Early life :...

. He was also the grandfather of Francis Hartwell Henslowe

Francis Hartwell Henslowe

Francis Hartwell Henslowe , civil servant and composer. He was the son of Edward Prentis Henslowe , who was the son of Sir John Henslow. His mother Cecilia Maria was the daughter of musician François Hippolyte Barthélémon....

, who was the son of Edward Prentis Henslow.