Reginald Leslie Smith-Rose

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(2 April 1894 – 19 March 1980) was an English physicist of the National Physical Laboratory who was a world leader in

radio direction-finding Direction finding (DF), or radio direction finding (RDF), isin accordance with International Telecommunication Union, International Telecommunication Union (ITU)defined as radio location that uses the reception of radio waves to determine t ...

Early life and family

Reginald Leslie Smith was born on 2 April 1894 at 7

Westbourne Gardens Westbourne Gardens, known as Westbourne Park, London, Westbourne Park until the late nineteenth century, are gardens on a triangular plot in Paddington, London, in the City of Westminster. The gardens are open to the public and maintained by the C ...

, Paddington, London, to William Smith, church clerk, and his wife Louisa Copp. He was educated at Latymer Upper School, London, and went up to

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on a

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royal scholarship in 1912 from where he graduated with a first class honours degree in physics in 1914 and was awarded the governors' prize for physics."Rose, Reginald Leslie Smith- (1894–1980)"
Charles Oatley, ''

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'',

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, 2004. Retrieved 30 July 2017. Dr Reginald Leslie Smith-Rose.
National Physical Laboratory, 15 January 2014. Retrieved 29 July 2017. By 1919 he had changed his surname to Smith-Rose. He married Elsie Masters, daughter of Sydney John Masters, a restaurant owner, in 1919 with whom he had two daughters.

Career

Smith-Rose undertook post-graduate work at Imperial College before joining Siemens Brothers of Woolwich as an assistant engineer in 1915. He joined the National Physical Laboratory (NPL) in 1919. He received his PhD in 1923 and his D.Sc. in 1926. He was superintendent of the radio department at the NPL from 1939 to 1947 after which he was director of the Radio Research Station at Ditton Park from 1948 to 1960 where, according to the NPL, he became a world leader in radio direction-finding. He was acting director of the NPL in 1955–1956 and retired in 1960. He was awarded the United States Medal of Freedom with silver palm in 1947 and made a

Commander of the Order of the British Empire The Most Excellent Order of the British Empire is a British order of chivalry, rewarding contributions to the arts and sciences, work with charitable and welfare organisations, and public service outside the civil service. It was established o ...

in 1952.

Later life

After retirement, Smith-Rose continued to act on behalf of the NPL, travelling widely on their business. His hobbies included walking, swimming, photography, stamp collecting, and reading. He was churchwarden of his local church. He died in hospital at Banstead, Surrey, on 19 March 1980. He left an estate of £93,740.

Selected publications

*''A discussion of the practical systems of direction-finding by reception''.

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, 1923. (With R.H. Barfield) *''Variations of apparent bearings of radio transmitting stations''. H.M. Stationery Office, 1924. *''A study of radio direction-finding''. H.M. Stationery Office, 1927. *''An investigation of a rotating radio beacon''. H.M. Stationery Office, 1928. (With Sydney Ronald Chapman) *''James Clerk Maxwell: A Mathematical Physicist of the Nineteenth Century''. Longmans for the British Council, London, 1948.

References

External links

*https://www.dittonpark-archive.rl.ac.uk/histTime.html {{DEFAULTSORT:Smith-Rose, Reginald 1894 births 1980 deaths English physicists People from Paddington Alumni of Imperial College London People educated at Latymer Upper School Scientists of the National Physical Laboratory (United Kingdom) Commanders of the Order of the British Empire Recipients of the Medal of Freedom British philatelists Churchwardens Fellows of the Institution of Electrical Engineers