[1] Baker was born with a speech impediment, and left Addiscombe for six months to receive specialist treatment in Edinburgh.

He returned to Addiscombe in January 1826, caught up with his studies, and passed his exams in December 1826.

[1] When Colvin returned home to England in 1836, Lieutenant Baker succeeded him and was put in charge of the Jumna Canals, a position he held until 1843.

[2] He transferred to the Public Works Department, and was latterly consulting engineer on railways, and an authority on irrigation to the Government of India.

[2] On 27 February the following year Baker’s sister Josephine married Colonel John Colvin in Ludlow, Shropshire.