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Churchill contains:
<-- See earlier
PROB The Papers of Rhys Probert
PRSN The Papers of Sir (James) Denning Pearson
PRTZ The papers of Max Ferdinand Perutz
PTER The Papers of John Pater
RABL The Papers of Gabriele Rabel
RACL The Papers of Jack Ratcliffe
RATC Items left by D H A Ratcliffe
RBSN The memoirs of Vice-Admiral Sir William Robson
RBTN The Papers of Sir Malcolm Robertson
RBTS The Papers of Cecil Roberts
RCHL The Papers of Lord Randolph Churchill
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The Papers of Jack Ratcliffe

Title The Papers of Jack Ratcliffe
Reference GBR/0014/RACL
Creator Ratcliffe, John Ashworth, 1902-1987, physicist
Covering Dates 1920–1986
Extent and Medium 32 archive boxes
Repository Churchill Archives Centre
Content and context

John Ashworth Ratcliffe was born in Bacup, Lancashire, 12 December 1902. He was educated at Bacup and Rawtenstall Secondary School, 1912-14; Heversham Grammar School, 1914-19; Giggleswick School, 1919-21; and Sidney Sussex College, Cambridge, 1921-4. He married Nora Disley in 1930, with whom he had two daughters.

He carried out research into radio wave propagation in the Cavendish Laboratory, Cambridge University, 1924-7. He was a University Demonstrator (later Lecturer), 1927-47, and Reader in Physics, 1947-60, Cambridge University, where he headed the radio group at the Cavendish. He was a fellow of Sidney Sussex College, Cambridge, 1927-60. He worked on the development of radar at the Telecommunications Research Establishment, 1939-45. He was Director of the Radio and Space Research Station, Slough, 1960-6. He was editor of the "Journal of Atmospheric and Terrestrial Physics", 1965-76. He retired in Cambridge, 1966. He died on 25 October 1987.

He was awarded the OBE, 1947, and the CBE, 1959. He was an honorary fellow of Sidney Sussex College, Cambridge, 1962-87.

His publications include: "The Physical Principles of Wireless" (1929); "The Magnetoionic Theory and its Applications to the Ionosphere" (1959); editor, "Physics of the Upper Atmosphere" (1960); "Sun, Earth and Radio" (1970); and "An Introduction to the Ionosphere and Magnetosphere" (1972).

Papers relating to physics, including articles, lectures, research notes and correspondence.

With biographical material, 1987-9.

The papers were given to Churchill Archives Centre by Margaret Pollard and arrived in two main accessions (Acc 760 and 763), 1988-91. Correspondence and papers relating to a memoir were given by Kenneth Budden, 1989.

The collection is owned by Churchill College, Cambridge.

Access and Use

The collection is open for consultation by researchers using Churchill Archives Centre, Churchill College, Cambridge. Churchill Archives Centre is open from Monday to Friday, 9am-5pm. A prior appointment and two forms of identification are required.

Researchers wishing to publish excerpts from the papers must obtain prior permission from the copyright holders and should seek advice from Archives Centre staff.

Please cite as Churchill Archives Centre, The Papers of Jack Ratcliffe, RACL

Further information

A copy of this finding aid and a box list of the collection are available for consultation at Churchill Archives Centre, Cambridge, and the National Register of Archives, London.

This collection (fonds) level description was prepared by Sophie Bridges at Churchill Archives Centre. The collection was box listed by Elizabeth Bennett and catalogued by Sophie Bridges, April 2010. Biographical information was obtained from "Who Was Who 1981-1990" (A and C Black) and K. G. Budden, "John Ashworth Ratcliffe 1902-1987" published in "Biographical Memoirs of Fellows of the Royal Society", volume 34 (1988).

Index Terms
Astronomy
Physics
Radar
Ratcliffe, John Ashworth (1902-1987) physicist
Churchill/RACL contains:
1 Research.
2 Books.
3 Articles and lectures.
4 Correspondence.
5 Diaries.
6 Biographical material.
7 Offprints.

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