A retired fireman died after a feeding tube was mistakenly inserted into his lungs instead of his stomach, an inquest has heard.
Terry Butler, 83, from Wigan, Greater Manchester, developed pneumonia as a result of the error and died a month later on 16 February.
Bolton Coroner's Court was told an untrained junior hospital doctor failed to spot the mistake on Mr Butler's X-rays.
Coroner Alexander Frodsham concluded Mr Butler died as a result of misadventure contributed to by neglect.
Described as a "pillar of the community", Mr Butler had joined the fire service in his 20s and retired in the 1990s after suffering an injury.
He had also served as a local councillor for five years and as a school governor.
The great-grandfather had been admitted to the Royal Albert Edward Infirmary in Wigan with an infection on 27 December last year, and brain scans showed he had suffered a minor stroke.