View source for Charles Thomas Clough M.A., LL.D., F.G.S., F.R.S.E.

== Timeline ==
{| class="wikitable"
! Date !! Details
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| 1852 || Born December 23rd.Educated at Rugby and St. John's College, Cambridge (entered 1871).
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| 1872-1874 || Awarded exhibition in Natural Science. 1st class B.A. in Natural Science. M.A. in 1878.
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| 1875 || Joined Survey as Assistant Geologist. Worked under H.H. Howell in the North of England, beginning at Teesdale. 1st paper – Quarterly Journal (1876) “Section at High Force, Teesdale” 8 years in Northumberland and Durham.
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|  || Survey Memoirs: “Otterburn and Elsdon” (1887).
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|  || “English side of Cheviot Hills” (1888).
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|  || “Plashetts and Kielder” (1889).
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| 1884 || Completion of 1 inch Map of England and Wales. Clough, Gunn, Barron and Hugh Miller transferred to Scotland. Clough engaged in surveying Cowal district, also took part in survey of North-west Highlands.
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|  || Mapped large district in Sutherlandshire north of Loch Glencoul to Loch Inchard; and area round Loch Maree. (Description in North-west Highlands Memoir.) Then worked in Glenelg, north-east part of Skye and Soay.
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| 1896 || Promoted to Geologist.
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| 1900 || Transferred to Strathcarron, East Ross-shire.
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| 1902 || Became District Geologist on the death of Gunn. Continued for a time in Ross-shire and subsequently took charge of work in North Argyllshire and Mull.
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|  || Also employed on revision of coalfields – Haddington, Lothians, Bo’ness. Then Lanarkshire coalfield, South-east of Glasgow and finally North Ayrshire coalfield.
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| 1906 || Murchison Medal.
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| 1908-1910 || President of Geological Society Edinburgh.
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| 1916 || Hon. Degree of LL.D. conferred by St. Andrews University.
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|  || Died August 27th. (Railway accident.)
|}