1. Hartree Douglas Rayner Hartree. Born 27 March 1897 Douglas Hartree's schooleducation was in Cambridge and Petersfield. He entered St John's http://www-gap.dcs.st-and.ac.uk/~history/Mathematicians/Hartree.html

Douglas Rayner Hartree Born: 27 March 1897 in Cambridge, Cambridgeshire, England Died: 12 Feb 1958 in Cambridge, Cambridgeshire, England Click the picture above to see a larger version Show birthplace location Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Douglas Hartree 's school education was in Cambridge and Petersfield. He entered St John's College Cambridge in 1915 but World War I interrupted his studies and he joined a team studying anti-aircraft gunnery. He returned to Cambridge after the war and graduated in 1921 but, perhaps because of his interrupted studies, he only obtained a Second Class degree in Natural Sciences. However he went on to obtain a doctorate in 1926 and, after being a Fellow of St John's College (1924-27) and Christ's College (1928-29) he was appointed professor of applied mathematics at Manchester. Hartree held this chair from 1929 to 1937 when he moved to the chair of theoretical physics. After undertaking work with the Ministry of Supply during World War II, he was appointed Plummer Professor of Mathematical Physics at Cambridge. He held this post until his death. Hartree was basically a theoretical physicist, and he developed powerful methods in numerical analysis. His initial interest in numerical methods arose from his work on anti-aircraft gunnery in 1916-18. However

2. Cambridge-Cranfield High Performance Computing Facility People She died in 1958 aged just 37. More information is available. Douglas Hartree. Pictureof Douglas hartree douglas Rayner Hartree was born in Cambridge in 1897. http://www.hpcf.cam.ac.uk/people.html

3. Computational Physics: Hartree Douglas Hartree 18971958. Teenager - Integrated differential equationsfor gunnery ballistics; Major achievement is the concept of http://csep1.phy.ornl.gov/comp-phys/seminar/hartree1.html

Douglas Hartree 1897-1958 Teenager - Integrated differential equations for gunnery ballistics Major achievement is the concept of self-consistent fields for electrons in atoms 1920's - Numerical solutions for coupled differential equations; Self-consistent solutions for electrons in atoms Report from the Physical Society on Electrons in Heavy Atoms: 1930's - Differential Analyzer Academic career 1929-1937 University of Manchester 1946-1958 University of Cambridge 1940's - War-related computational problems 1950's - Published his two most important books: Numerical Analysis, Oxford University Press The Calculations of Atomic Structures, Wiley 1957 - Charlotte Froese received her Ph.D. as one of his last students

4. ITU Library Services Yazar, Hartree, Douglas R. (Douglas Rayner), 18971958. Baslik, Calculating instrumentsand machines / Douglas R. Hartree. Baski, Cambridge University, 1950. http://divit.library.itu.edu.tr/search*tur/aHartnagel, Hans./ahartnagel hans/-5,

Istanbul Technical University Libraries Yazar Baþlýk Konu Kelime Dergi Adý Tez No. Yer No ISSN/ISBN Resmi Dok # OCLC No Yazar Hartree, Douglas R. (Douglas Rayner), 1897-1958 Baþlik Calculating instruments and machines / Douglas R. Hartree Baski Cambridge : University, 1950 BULUN.YER YER NO STATÜSÜ MAKÝNE FAK. KÜTÜPHANESÝ RAFTA Tanim ix, 138s. : þekl Bibliyog. Kaynakça : s. 131-134 Dizin Konu Calculators Mathematical instruments Hesap makineleri

5. Virtual Encyclopedia Of Mathematics william rowan hamilton william hankel hermann hardy claude hardy godfrey harold harishchandraharriot thomas hartley brian hartree douglas rayner hasse helmut http://www.lacim.uqam.ca/~plouffe/Simon/supermath.html

Super-Index of Biographies of Mathematicians abel niels henrik abraham bar hiyya ha-nasi abraham max abu kamil shuja ibn aslam ibn muhammad ... zygmund antoni This index was automatically generated using a new tagging program written by Simon Plouffe at LaCIM

6. Marmot Library Network /Marmot Mark Nearby AUTHORS are Year Entries Hartrampf Roerig 3 hartree douglas R DouglasRayner 1897 1958 1958 1 Hartry Nancy 2 Hartsell Andrew J 7 Hartsell OM Onnie http://www.millennium.marmot.org:90/kids/10,938,892/search/aHartsfield, John W./

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7. References For Hartree References for douglas hartree. Articles CG Darwin, douglas Rayner hartree, BiographicalMemoirs of Fellows of the Royal Society of London 4 (1958), 103116. http://www-gap.dcs.st-and.ac.uk/~history/References/Hartree.html

References for Douglas Hartree Biography in Dictionary of Scientific Biography (New York 1970-1990). Articles: C G Darwin, Douglas Rayner Hartree, Biographical Memoirs of Fellows of the Royal Society of London C G Darwin, Obituary: Douglas Rayner Hartree, J. London Math. Soc. Main index Birthplace Maps Biographies Index History Topics ... Anniversaries for the year JOC/EFR December 1996 School of Mathematics and Statistics University of St Andrews, Scotland The URL of this page is: http://www-history.mcs.st-andrews.ac.uk/history/References/Hartree.html

8. Local Ancestors - Hartree, Douglas Rayner (1897-1958) Famous People from the Cambridgeshire. hartree, douglas Rayner (18971958).Mathematician and physicist, born in Cambridge. He graduated http://www.localancestors.com/FamousPeople/Cambridge/HartreeDouglasRayner.html

Famous People from the Cambridgeshire Hartree, Douglas Rayner (1897-1958) Mathematician and physicist, born in Cambridge. He graduated from Cambridge after working on the science of anti-aircraft gunnery during World War 1. He was professor of applied mathematics and theoretical physics at Manchester (192945), returning to Cambridge as professor of mathematical physics in 1946. His work was mainly on computational methods applied to a wide variety of problems, ranging from atomic physics, where he invented the method of the self-consistent field in quantum mechanics, to the automated control of chemical plants. At Manchester he developed the differential analyser, an analogue computer, and was deeply involved in the early days of the electronic digital computer. About Famous People Cambridgeshire Isle of Ely Cambridge University ... Cambridgeshire FHS

9. Douglas Hartree And Early Computations In Quantum Mechanics AprilJune 1988 (Vol. 10, No. 2) pp. 105-111 douglas hartree and Early Computations in Quantum Mechanics http://www.computer.org/annals/an1988/a2105abs.htm

April-June 1988 (Vol. 10, No. 2) p p. 105-111 Douglas Hartree and Early Computations in Quantum Mechanics Paul A.  Medwick The full text of IEEE Annals of the History of Computing is available to members of the IEEE Computer Society who have an online subscription and a web account

10. Hartree Biography of douglas hartree (18971958) douglas Rayner hartree. Born 27 March 1897 in Cambridge, Cambridgeshire, England http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Hartree.html

Douglas Rayner Hartree Born: 27 March 1897 in Cambridge, Cambridgeshire, England Died: 12 Feb 1958 in Cambridge, Cambridgeshire, England Click the picture above to see a larger version Show birthplace location Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Douglas Hartree 's school education was in Cambridge and Petersfield. He entered St John's College Cambridge in 1915 but World War I interrupted his studies and he joined a team studying anti-aircraft gunnery. He returned to Cambridge after the war and graduated in 1921 but, perhaps because of his interrupted studies, he only obtained a Second Class degree in Natural Sciences. However he went on to obtain a doctorate in 1926 and, after being a Fellow of St John's College (1924-27) and Christ's College (1928-29) he was appointed professor of applied mathematics at Manchester. Hartree held this chair from 1929 to 1937 when he moved to the chair of theoretical physics. After undertaking work with the Ministry of Supply during World War II, he was appointed Plummer Professor of Mathematical Physics at Cambridge. He held this post until his death. Hartree was basically a theoretical physicist, and he developed powerful methods in numerical analysis. His initial interest in numerical methods arose from his work on anti-aircraft gunnery in 1916-18. However

11. Douglas R. Hartree (1897-1958) douglas R. hartree Professor douglas R. hartree (18971958) was one of the most influential mathematicians and computer pioneers of his day, whose work bridged both the calculating machine and electronic digital eras. http://www.man.ac.uk/Science_Engineering/CHSTM/contents/har.htm

NAHC/HAR. DOUGLAS R. HARTREE Professor Douglas R. Hartree (1897-1958) was one of the most influential mathematicians and computer pioneers of his day, whose work bridged both the calculating machine and electronic digital eras. As Beyer Professor of Applied Mathematics at Manchester University in the mid 1930s, Hartree built a differential analyzer based upon the machine of the American, Vannevar Bush. Hartree's international reputation ensured that he kept in close touch with American developments, and during the Second World War he became involved with the ENIAC project. On his return to England (where he had accepted a chair at Cambridge University) Hartree publicised American activities and was an enthusiastic supporter of British efforts to build stored program computers. References : M.V. Wilkes' introduction to Hartree, Calculating Machines etc. (Cambridge, Mass.; MIT Press, 1984). A small number of Hartree papers are deposited in the Archives of Churchill College, Cambridge. See listing by Contemporary Scientific Archives Centre (CSAC 45/9/76). Copy in NAHC. The collection comprises one box of archival material.

12. Local Ancestors - Introduction Hadley, Patrick (Arthur Sheldon) (18991973), Composer, born in Cambridge. hartree,douglas Rayner (1897-1958), Mathematician and physicist, born in Cambridge. http://www.localancestors.com/FamousPeople/Cambridge/cambridgepage.html

Famous People from Cambridge Cheke, Sir John (1514-1557) Humanist and scholar, born in Cambridge Cockerell, Sir Christopher (Sydney) (1910-1999) Engineer, born in Cambridge Hadley, Patrick (Arthur Sheldon) (1899-1973) Composer, born in Cambridge. Hartree, Douglas Rayner (1897-1958) Mathematician and physicist, born in Cambridge. Henty, George Alfred (G A) (1832-1902) Writer and journalist, born in Trumpington Hobbs, Jack (Sir) (1882-1963) Cricketer, born in Cambridge (real name Sir John Berry Hobbs). Hobson, Thomas (c. 1544-1631) Carrier and inn-keeper of Cambridge Keynes, John Maynard (1883-1946) Keynes (of Tilton), John Maynard Keynes, Baron. Leavis, Frank Raymond (F R) (1895-1978) Literary critic, born in Cambridge Minton, (Francis) John (1917-1957) Artist, born in Cambridge Norrish, Ronald (George Wreyford) (1897-1978)

13. Hartree, Douglas R., Calculating Machines, Recent And Prospective Developments A Michael R. Thompson Bookseller. hartree, douglas R. Calculating Machines, Recentand Prospective developments and their Impact on Mathematical Physics. http://www.polybiblio.com/mrtbksla/7822.html

Michael R. Thompson Bookseller Hartree, Douglas R. Calculating Machines, Recent and Prospective developments and their Impact on Mathematical Physics. Inaugural Lecture by... Cambridge: At the University Press, 1947 Twelvemo., 40 pp., One double-sided plate, with views of the ENIAC computer., Original printed wrappers., One inch tear along back joint, ink signature on front cover. Very good. First edition., Hartree (1897-1958) was a Cambridge-educated physicist and mathematician. He was one of the designers of the Manchester Meccano differential analyzer. He wrote the first technical description of the ENIAC and worked on early computers at Cambridge. "Hartree's chief contribution to science was his development of powerful methods of numerical mathematical analysis, which made it possible for him to apply successfully the so-called self-consistent field method to the calculation of atomic wave functions of polyelectronic atoms, that is, those which in the neutral condition have more than one electron surrounding the nucleus. These calculations involved the numerical solution of the partial differential equations of quantum mechanics for many-body systems subject to the usual boundary conditions" (DSB)., Randell, p. 136. Goldstine, p. 99. This item is listed on Bibliopoly by Michael R. Thompson Bookseller

14. Hartree, Douglas R., Calculating Instruments And Machines. Michael R. Thompson Bookseller. hartree, douglas R. Calculating Instrumentsand Machines. Urbana University of Illinois Press, 1949. http://www.polybiblio.com/mrtbksla/7292.html

Michael R. Thompson Bookseller Hartree, Douglas R. Calculating Instruments and Machines. Urbana: University of Illinois Press, 1949 Octavo., ix, 138 pp., Figures and half-tones (including fine pictures of the ENIAC) in text. Indexed., Terra cotta cloth with spine stamped in black., Light shelfwear. A very good, clean copy, lacking the dust jacket. This item is listed on Bibliopoly by Michael R. Thompson Bookseller ; click here for further details.

15. Encyclopædia Britannica hartree, douglas R(ayner) Britannica Concise. MLA style hartree, douglas R. BritannicaConcise Encyclopedia 2003 Encyclopædia Britannica Premium Service. http://www.britannica.com/ebc/article?eu=391977&query=electron&ct=gen1

16. Encyclopædia Britannica Haldeman, H(arry) R(obbins) (1926–1993) US White House aide. hartree, douglas R(ayner)(1897–1958) English physicist, mathematician, and computer pioneer. http://www.britannica.com/search?query=bohr radius&ct=gen1&fuzzy=N&show=10&start

17. Douglas Hartree - The MIT Press Author. 1 publication. Showing 11 SORT BY Title (AZ) douglas hartree. http://www-mitpress.mit.edu/catalog/author/default.asp?aid=2511

18. NAHC/HAR. DOUGLAS R. HARTREE NAHC/HAR. douglas R. hartree. Professor douglas R. hartree (18971958)was one of the most influential mathematicians and computer http://www.chstm.man.ac.uk/nahc/contents/har.htm

NAHC/HAR. DOUGLAS R. HARTREE Professor Douglas R. Hartree (1897-1958) was one of the most influential mathematicians and computer pioneers of his day, whose work bridged both the calculating machine and electronic digital eras. As Beyer Professor of Applied Mathematics at Manchester University in the mid 1930s, Hartree built a differential analyzer based upon the machine of the American, Vannevar Bush. Hartree's international reputation ensured that he kept in close touch with American developments, and during the Second World War he became involved with the ENIAC project. On his return to England (where he had accepted a chair at Cambridge University) Hartree publicised American activities and was an enthusiastic supporter of British efforts to build stored program computers. References : M.V. Wilkes' introduction to Hartree, Calculating Machines etc. (Cambridge, Mass.; MIT Press, 1984). A small number of Hartree papers are deposited in the Archives of Churchill College, Cambridge. See listing by Contemporary Scientific Archives Centre (CSAC 45/9/76). Copy in NAHC. The collection comprises one box of archival material.

19. National Archive For The History Of Computing Catalogue Institute X3J3 FORTRAN Committee; NAHC/HAR douglas R. hartree (18971958);NAHC/ICL International Computers Ltd (ICL), ca. 1907-80; NAHC http://www.chstm.man.ac.uk/nahc/catalogue.htm

National Archive for the History of Computing On-line Catalogue NAHC Homepage News Catalogue ... Homepage Section I: Manuscripts NAHC/ACS Admiralty Computing Service NAHC/AEA United Kingdom Atomic Energy Authority NAHC/ARE Atomic Research Establishment, Fort Halstead, Kent NAHC/ARL Admiralty Research Laboratory NAHC/BIB Bibliographies NAHC/BOO Dr Andrew Booth NAHC/CSI Commonwealth Scientific and Industrial Research Organisation NAHC/EDS Cambridge University Computer Laboratory NAHC/EEC English Electric Company Ltd NAHC/FER Ferranti Ltd, 1948-63 NAHC/FOR American National Standards Institute: X3J3 FORTRAN Committee NAHC/HAR Douglas R. Hartree NAHC/ICL International Computers Ltd (ICL), ca. 1907-80 NAHC/IMP Imperial College of Science and Technology NAHC/LEO LEO Computers NAHC/MAR Marconi Wireless Telegraph Company Ltd, ca. 1958-70 NAHC/MET Meteorological Office NAHC/MIS Ministry of Supply NAHC/MSC Miscellaneous Manuscripts and Unpublished Typescripts NAHC/MUC Manchester University Department of Computer Science, ca.1946 to date

20. Biography-center - Letter H Mathematicians/Hartley.html; hartree, douglas wwwhistory.mcs.st-and.ac.uk/~history/Mathematicians/hartree.html;Hartwell, Leland http://www.biography-center.com/h.html

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