Dr. John MacCulloch (1773-1835)
Badge: British Army;
Click to enlarge [jpeg:50K]
Surgeon, geologist, surveyor
John McCulloch was born 6 October 1773 and showed an
early love for things scientifical. As his family were
then living in Cornwall, he was educated, first at
Plympton, then at Penzance, and, finally, at Lostwithiel
Grammar Scools. In 1790 he went to Edinburgh to prosecute
his medical studies and obtained his diploma as a
physician at the age of 18. He subsequently entered the
Royal Artillery as an assistant surgeon rising to Surgeon,
and in 1803, accepted a situation as Chemist to the Board
of Ordnance.
In 1807 he was residing at Blackheath where he
practised as a physician. It is said his knowledge of
medicine, geology, minerology, chemistry and trigonometry
were second to none and perhaps never exceeded by any
other individual of his time. He was, moreover, skilled
in architecture, drawing and music.
In 1811, McCulloch was engaged by the government of
Scotland to make a grand survey of the country. He
consequently gave up his medical practise and directed his
energies into the line of work for which he is most
famous. His surveys included examining the principal
mountains, making geological observations, and collecting
materials for a mineralogical map of Scotland. In 1814,
McCulloch was permanently appointed geologist to the
Trigonometrical Survey.
In recognition of his groundbreaking work he was made
president of the Royal Geographical Society and in 1820
was elected a Fellow of the prestigious Royal Society. In
1826, he embarked on an ambitious and extensive geological
and mineralogical survey of Scotland which was conducted
every summer from 1826 to 1832. During the winters of
these years he put in order the observations he had made
in the summer, drew sections and prepared maps. This
monumental work, the labour of one individual, has never
been surpassed by any undertaking of a similar nature.
For some years after his geological triumph in
Scotland, he acted as the Principal Lecturer on chemistry
and geology at the East India Company's training
establishment at Addiscombe. He married late in life
(1835) one Miss White, but did not last the year, being
thrown from a carriage and being severely injured. His
right leg had to be amputated and he only survived the
operation a few hours. He was buried at Gulval, near
Penzance, Cornwall, where his father had resided some
years before. Thus ended the life of one of the most
brilliant McCullochs to bear the name.
Dr. John McCulloch [10K JPEG; Click to View]
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