Thomas George Montgomerie identified K2, the second highest peak globally, assigning the designation based on the Karakoram mountain range. An officer in the British army, he directed extensive mapping efforts across regions of Asia that remained largely inaccessible to European travelers throughout the middle of the nineteenth century.
Service in the Great Trigonometrical Survey
Born in Ayrshire in 1830, Montgomerie served as a military officer and engineer within the United Kingdom of Great Britain and Ireland. During the 1850s, he participated in the Great Trigonometrical Survey of British India. His work focused on calculating the elevations of major summits, providing data that remains remarkably consistent with modern measurements.
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By 1867, as a major stationed in Peshawar, Montgomerie focused on recruiting native agents to explore Central Asia and Tibet. He developed a training program for Indian pundits, teaching them to document latitude, longitude, and elevation while disguised. These individuals carried hidden instruments to collect geographical data in areas restricted to British officials.
Exploration of Central Asia
Montgomerie oversaw several notable missions, including the 1860 expedition of Abdul Mejid from Peshawar to Kokand. In 1870, he directed Hyder Shah, who conducted surveys through the territories of Swat, Dir, and Badakhshan. These operations provided critical intelligence and mapping details for previously undocumented regions.
Academic Contributions and Legacy
His findings were published in the Journal of the Royal Geographical Society of London throughout the 1870s. These papers detailed journeys through Tibet, the Namcho Lake, and routes through Kumaon and Nepal. For his contributions to geography and geodesy, he was elected a Fellow of the Royal Society and received the Founder’s Medal in 1865. He reached the rank of colonel before his death in Bath in 1878.
Fast facts
- Born: 1830, Ayrshire
- Died: 1878, Bath
- Military Rank: Colonel
- Award: Founder’s Medal (1865)
- Affiliation: Fellow of the Royal Society
Questions readers ask
What is the significance of the label K2?
Montgomerie assigned the label during his survey work, with the K representing the Karakoram range.
How did he survey territory inaccessible to the British?
He trained and deployed native Indian pundits who disguised themselves to perform observations using concealed equipment.
Achievements
- Fellow of the Royal Society
- Founder’s Medal
- Recorded as surveyor, engineer and explorer

