23 November 1848
References

encyclopedia, 'Sir John Barrow,[Online], Available at: www.encyclopedia.com,[Accessed:18 October 2013] |

arcticwebsite,John Barrow was born, [Online], Available at: www.arcticwebsite.com,[Accessed:16 October 2013] |

Image: Sir John Barrow, attributed to John Jackson, circa 1810, National Portrait Gallery, London.