Sir Calthrop Guy Spencer Calthrop, 1st Baronet (26 March 1870 - 23 February 1919) was a British railway manager.

Born in Uppingham

Uppingham

Disambiguation: "Uppingham" is the colloquial name for Uppingham SchoolUppingham is a market town in the county of Rutland in the East Midlands of England, located on the A47 between Leicester and Peterborough, about 6 miles south of the county town, Oakham.- History :A little over a mile to the...

, Rutland

Rutland

Rutland is a landlocked county in central England, bounded on the west and north by Leicestershire, northeast by Lincolnshire and southeast by Peterborough and Northamptonshire....

, his brother was Everard Calthrop

Everard Calthrop

Everard Richard Calthrop was a British railway engineer and inventor. Calthrop was a notable promoter and builder of narrow gauge railways, especially of gauge, and was especially prominent in India. His most notable achievement was the Barsi Light Railway; however he is best known in his home...

, railway engineer. He entered the London and North Western Railway

London and North Western Railway

The London and North Western Railway was a British railway company between 1846 and 1922. It was created by the merger of three companies – the Grand Junction Railway, the London and Birmingham Railway and the Manchester and Birmingham Railway...

 (LNWR) as a Cadet at the age of 16 in 1886. In 1892 he was appointed outdoor assistant to the Superintendent of the Line at Euston

Euston railway station

Euston railway station, also known as London Euston, is a central London railway terminus in the London Borough of Camden. It is the sixth busiest rail terminal in London . It is one of 18 railway stations managed by Network Rail, and is the southern terminus of the West Coast Main Line...

, and in 1894. In 1901 he became personal assistant to Sir Frederick Harrison

Frederick Harrison

Lieutenant Colonel Sir Frederick Harrison was a British army officer, and railway manager. Engineer and Railway Volunteer Staff Corps. He was made a knight bachelor in 1902....

. However, in 1902 Calthrop left the LNWR to take up a position as General Superintendent of the Caledonian Railway

Caledonian Railway

The Caledonian Railway was a major Scottish railway company. It was formed in the early 19th century and it was absorbed almost a century later into the London, Midland and Scottish Railway, in the 1923 railway grouping, by means of the Railways Act 1921...

, and in 1908 was promoted to General Manager. In 1910 Calthrop left Britain to become General Manager of the Buenos Aires and Pacific Railway

Buenos Aires and Pacific Railway

The Buenos Aires and Pacific Railway was one of the Big Four broad gauge, , British-owned companies that built and operated railway networks in Argentina....

.

In 1913 Calthrop returned to Britain and the LNWR, where he was appointed General Manager of the LNWR in succession to Frank Ree

Frank Ree

Sir Frank Ree was a British railway manager, General Manager of the London and North Western Railway and the North London Railway from 1909. He was made a knight bachelor in 1913.- Source :...

, who died in 1914. During the First World War, Calthrop was seconded by the Government, who appointed him Controller of Mines. For this service, Calthrop was made a baronet

Baronet

A baronet or the rare female equivalent, a baronetess , is the holder of a hereditary baronetcy awarded by the British Crown...

 of Croxley House, Hertfordshire

Hertfordshire

Hertfordshire is a ceremonial and non-metropolitan county in the East region of England. The county town is Hertford.The county is one of the Home Counties and lies inland, bordered by Greater London , Buckinghamshire , Bedfordshire , Cambridgeshire and...

in 1918. He died less than a year later however on 23 February 1919, and his baronetcy became extinct upon his death.