21. Cambridge-Cranfield High Performance Computing Facility Tech Larger jobs (up to 128 processors and 80GB) can be run when required.Biography of douglas hartree. Hodgkin (SGI Origin 2000). Origin2000 http://www.hpcf.cam.ac.uk/tech.html

22. SWIF - Sito Web Italiano Per La Filosofia - LE IDEE, GLI INVENTORI E GLI STUDIOS Translate this page Goldstine, Herman Heine (1913- ). Grillet, Rene (XV sec.). hartree, douglas Rayner(1897-1958). Hollerith, Herman (1860-1929). Huskey, Harry douglas (1916- ). http://www.swif.uniba.it/lei/storiainf/le_idee_e_le_persone.htm

a cura di Carla Petrocelli Ultimo aggiornamento: 24 LE IDEE, GLI INVENTORI E GLI STUDIOSI A B C D E F G H I J K L M ... T U V W Y Z Aiken, Howard Hathaway Atanasoff, John Vincent (1903- ) Biografia di Hien Chris Do Babbage, Charles (1791-1871) Cenni Biografici Articoli e riferimenti bibliografici Backus, John Bardeen John Cenni biografici ... As we may think (pubblicato in "Atlantic Monthly") Comrie, Leslie John Eckert, John Presper Felt, Dorr Eugene Fourier, Baron Jean-Baptiste-Joseph ... Gates, William H. La sua biografia Goldstine, Herman Heine (1913- ) Grillet, Rene (XV sec.) Hartree, Douglas Rayner Hollerith, Herman Huskey, Harry Douglas (1916- ) Jacquard, Joseph-Marie Jevons, William Stanley Katz, Charles (1927- ) Kempelen, Wolfgang von Leibniz, Gottfried Wilhelm von Lovelace Ada (1815-1852) Notizie approfondite sulla vita corredate da una collezione di immagini Ludgate, Percy E. (1883-1922) Lullo, Raimondo Mauchly, John William McCarthy, John Metropolis, Nicholas C. (1915- ) Minsky, Marvin Lee Moore, Gordon E. Morland, Samuel Nepero, Giovanni ... Noyce, Robert Norton Ocagne, Maurice d' (1862-1938) Odhner, Willgodt Theophil

23. Doug Coward's Analog Computer Museum (NAVPERS 92699A) Calculating Instruments and Machines hartree,douglas R. Cambridgeat the University Press 1950 Lectures given by douglas hartree at the http://dcoward.best.vwh.net/analog/readlist.htm

Radio Electronics January 1959 "Computers Speed Aircraft Design" featuring the Heath Analog Computer. Analog computer are used to simulate real world systems. Aircraft design was one of the early wide spread uses. During the 40's, 50's and 60's electronic analog computers were used to simulate the characteristics of a new aircraft, missle, or rocket designs. Because of their true parallel computing nature, speed, small size, and ease of programming, they beat digitial computers hands down in these kinds of tasks. In the mid 60's a new class of computer took over these jobs, the hybrid (combination analog / digital) computer. Suggested reading about analog computers This is the best book I have seen for someone new to analog computers Basics of Analog Computers Truitt,T.D. and Rogers,A.E. John F. Rider Publisher Inc. 1960 Other books about analog computers in our library A Palimpsest on the Electronic Analog Art Paynter,H.M. George A. Philbrick Researches,Inc. 1955 "Collection of reprints of papers and other writings" about analog computers from the early 1950's. Abacs or Nomograms Giet,A Philosophical Library Inc. 1956

24. Hartree http//www.man.ac.uk/Science_Engineering/CHSTM/contents/har.htm douglasRayner hartree. Professor douglas R. hartree (18971958) was http://indykfi.atomki.hu/indyKFI/MT/hartree.htm

http://www.man.ac.uk/Science_Engineering/CHSTM/contents/har.htm Douglas Rayner 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.

25. Index/Contents Of : Early Ideas In The History Of Quantum Chemistry. Described (independently of Roothaan) the foundations of the SCF LCAOMO theory.hartree, douglas Rayner, 1897-1958, - -. 30 KByte. At times the St. http://www.quantum-chemistry-history.com/Ueberb1.htm

The survey of this website How to find something Contents Quantum Theory Founders QC Theoreticians More QC Theoreticians Early (Heavy) Users Please note: Some texts are presently still in German, but - more Some QC and Similar Links QC people, alphabetically of this website and elsewhere Quantum Theory Founders Bohr, Niels H. D. Links to the Nobel e-Museum biography 30 KByte Model of the electrons around an atom. Dirac, Paul Adrian Maurice Links to the Nobel e-Museum biography 40 KByte Links to another extended Dirac biography. st generation, eminent pure theoretician: ".. we now can calculate all of chemistry .." Fourier, Jean-Joseph Biography, in German 50 KByte Fourier Method - sin, cos and all that. Hamilton, Sir William Rowland Links to a good biography 100 KByte "Hamiltonian" (operator).

26. Quantum Chemistry People - Alphabetical Listing - Component Of : Early Ideas In checked, Hamilton, Sir WR †, checked. hartree, douglas R. †, checked.Heisenberg, Werner Karl †, checked Nobel checked Am.Inst.Phys. http://www.quantum-chemistry-history.com/Alph_Dat/Main2.htm

Alphabetical Listing of Interesting Names in Quantum Chemistry This page enters into a listing of interesting names in Quantum Chemistry on this web site and elsewhere Choose at left A Last link check : Feb. 10, 2002 Last update : Feb. 10, 2002 Name - Location on this site - click linking elsewhere - click sometimes off-net? Ahlrichs , Karlsruhe, Germany yes B Last link check : Apr. 28, 2002 Last update : Apr. 28, 2002 Name - Location on this site - click linking elsewhere - click Ballhausen, Carl J. (Copenhagen) Berthier, Gaston (Paris) C Last link check : Apr. 28, 2002 Last update : Apr. 28, 2002 Name - Location on this site - click linking elsewhere - click Craig, David P., (Canberra, Austr.) D Last link check : May 15, 2002 Last update : May 15, 2002 Name - Location on this site - click linking elsewhere - click Dahl, Jens Peder (Copenhagen)

27. The Priorities Committee Characters Wilkes Mike Woollett Mutch Sid Barton Miller Peter Chamberlain GillDonald willis douglas Gordon Stevens hartree Ken Machin Cleaner Margaret http://www.cl.cam.ac.uk/Relics/priorities.html

The Priorities Committee Home Research Teaching People ... Search Source file: priorities.html Page last updated on Tue Dec 21 10:40:41 GMT 1999 by Chris Hadley ( ckh@cl.cam.ac.uk Please send any comments to pagemaster@cl.cam.ac.uk

28. Stephen Wolfram: A New Kind Of Science -- Relevant Books ISBN 0898710278 . hartree, douglas R. Calculating Instruments and MachinesUniversity of Illinois, 1949. hartree, douglas R. Numerical Analysis 1952. http://www.wolframscience.com/reference/books/h.html

A B C D ... G H I J K L ... W X Y Z H Haas, Arthur Commentary on the Scientific Writings of J. Willard Gibbs Volume 2: Theoretical Physics Yale University Press, 1936 Hacking, Ian A Concise Introduction to Logic Random House, 1972 Hacking, Ron Quasiclassical Renormalization Hadamard, Jacques The Psychology of Invention in the Mathematical Field Dover Publications, Inc., 1954 Haeckel, Ernst Heinrich Philipp August Art Forms in Nature Dover Publications, Inc., 1974. [ISBN 0486229874 Hagedorn, R. Relativistic Kinematics: A Guide to the Kinematic Problems of High-Energy Physics. W.A. Benjamin, 1973. [ISBN 0805336001 Hahn, Otto Otto Hahn: My Life, the Autobiography of a Scientist Herder and Herder, 1970. [ISBN 0356029336 Hahne, F.J.W. Lecture Notes In Physics Critical Phenomena Springer-Verlag, 1983. [ISBN 3540126759 Hahne, F.J.W., Editor Critical Phenomena. Proceedings, Stellenbosch, South Africa 1982 Springer-Verlag, 1983. [ISBN 0387126759 Haken, H. Editor Chaos and Order in Nature. Proceedings of the International Symposium on Synergetics. (Schloss Elmau, Bavaria, April 27-May 2, 1981) Springer-Verlag, 1981. [ISBN 0387111018

29. Biography.com Hartnett, Sir Laurence John, 1898 1986. Hartono (Kurniawan), Rudy, 1948. hartree, douglas Rayner, 1897 1958. Hartshorne, Richard, 1899 . http://search.biography.com/bio_browse.pl?letter=H&num=400

30. Technical Units Named After People gilbert, , William Gilbert, electromotive force, 10/4p A·turns. gray, Gy, LH Gray,radiation dose, J/kg. hartree, -, douglas Rayner hartree, energy, approximately 27.21eV. http://www.geocities.com/maineiac_bibliophage/people.html

unit symbol person quantity measured value ampere A André-Marie Ampère electric current C/s angstrom Anders Jonas Ångström length 10e-10 m baud Jean-Maurice-Émile Baudot signal transmission speed 1 unit per second becquerel Bq Antoine-Henri Becquerel disintigration rate one disintigration per second bel B Alexander Graham Bell power comparison dimensionless biot Bi Jean Baptiste Biot electric current 10 A blondel André-Eugène Blondel luminence p cd·m Bohr magneton Niels Henrik David Bohr magnetic moment eh/4 p m e brewster B Sir David Brewster stress-optical coefficient m /N Bubnoff unit Bubnoff speed 10e-6 m/year clausius Cl Rudolf Julius Emanuel Clausius entropy cal/K coulomb C Charles-Augustin de Coulomb electric charge A·s curie Ci Marie and Pierre Curie disintigrtion rate 3.7e10 Bq dalton John Dalton mass 1/16 the mass of an oxygen-16 atom darwin Charles Darwin evolutionary change debey D Peter Joseph Wilhelm Debey electric dipole moment (10e-19/c) C·m einstein E Albert Einstein quanity of light one mole of photons Eotvos unit E Roland, Baron von Eötvös gradient of acceleration 10e-9 s erlang r Agner Krarup Erlang communications traffic intensity farad F Michael Faraday electric capacitance A·s/V faraday Fd Michael Faraday electric charge the charge of a mole of electrons fermi fm Enrico Fermi length 10e-15 m franklin Fr Benjamin Franklin electric charge 3.33564e-10 C

31. Full Alphabetical Index Translate this page Hankel, Hermann (94*) Hardy, Godfrey H (421) Hardy, Claude (421) Harish-Chandra (413*)Harriot, Thomas (498) Hartley, Brian (466*) hartree, douglas (436*) Hasse http://www.geocities.com/Heartland/Plains/4142/matematici.html

Completo Indice Alfabetico Cliccare su una lettera sottostante per andare a quel file. A B C D ... XYZ Cliccare sotto per andare agli indici alfabetici separati A B C D ... XYZ Il numero di parole nella biografia e' dato in parentesi. Un * indica che c'e' un ritratto. A Abbe , Ernst (602*) Abel , Niels Henrik (286*) Abraham bar Hiyya (240) Abraham, Max Abu Kamil Shuja (59) Abu'l-Wafa al'Buzjani (243) Ackermann , Wilhelm (196) Adams, John Couch Adams, Frank Adelard of Bath (89) Adler , August (114) Adrain , Robert (79) Aepinus , Franz (124) Agnesi , Maria (196*) Ahlfors , Lars (725*) Ahmed ibn Yusuf (60) Ahmes Aida Yasuaki (114) Aiken , Howard (94) Airy , George (313*) Aitken , Alexander (825*) Ajima , Chokuyen (144) Akhiezer , Naum Il'ich (248*) al'Battani , Abu Allah (194) al'Biruni , Abu Arrayhan (306*) al'Haitam , Abu Ali (269*) al'Kashi , Ghiyath (73) al'Khwarizmi , Abu (123*) Albanese , Giacomo (282) Albert of Saxony Albert, Abraham Adrian (121*) (158*) Alberti , Leone (181*) Alberto Magno, San (109*) Alcuin di York (237*) Aleksandrov , Pave (160*) Alembert , Jean d' (291*) Alexander , James (163) Amringe , Howard van (354*) Amsler , Jacob (82) Anassagora di Clazomenae (169) Anderson , Oskar (67) Andreev , Konstantin (117) Angeli , Stefano degli (234) Anstice , Robert (209) Antemio of Tralles (55) Antifone il Sofista (125) Apollonio di Perga (276) Appell , Paul (1377) Arago , Dominique (345*) Arbogasto , Louis (87) Arbuthnot , John (251*) Archimede di Siracusa (467*) Archita of Tarentum (103) Argand , Jean (81) Aristeo il Vecchio (44) Aristarco di Samo (183) Aristotele Arnauld , Antoine (179)

32. Computer-Pioneers-Contents Hammer, Carl. Hamming, Richard Wesley. Harrington, John V. hartree, douglas.Hazen, Harold Locke. Henle, Robert A. Hestenes, Magnus R. Hewlett, William. http://www.fitzroydearborn.com/Contents/CmpuPiCs.htm

Fitzroy Dearborn Publishers Home Latest News Publications Awards ... Contact us International Biographical Dictionary of Computer Pioneers Contents Introduction Adams, Jeanne Clare Aiken, Howard Hathaway Alexander, Samuel N. Al-Khowarizmi, Mukhammad ibn Musa Amdahl, Gene M. Andrews, Ernest Galen Astrahan, Morton Michael Atanasoff, John Vincent Atchison, William Auerbach, Isaac L. Babbage, Charles Bachman, Charles Backus, John Warner Baker, Charles L. Bardeen,John Barr, Joel Bauer, Friedrich L. Bech, Niels Ivar Belady, Laszlo A. Bell, Chester Gordon Bell, Gwen Bemer, Robert W. Berkeley, Edmund C. Berry, Clifford Edward Billing, Heinz Birkenstock, James Birkhoff, Garrett Bloch, Erich Boole, George Booth, Andrew Donald Booth, Taylor L. Bowden, Bertram Vivian Bradshaw, Charles L. Brainerd, John Grist Bright, Herbert S. Bromberg, Howard Brooker, Ralph Anthony Brooks, Frederick P., Jr. Brown, George H. Brown, Gordon S. Buie, James L. Burks, Alice R. Burks, Arthur Walter Bush, Vannevar E. Bushnell, Nolan Carlson, Walter M. Carr, John Weber III Chandler, W.W.

33. Historic Books Panorama Xel Technical report, Doran collection. hartree, douglas R. Calculating Instrumentsand Machines. University of Illinois Press. Summary of state of the art. http://www.cs.auckland.ac.nz/~bob/Old Books for Web/Historicbooks1.html

34. I2670: Margot May DAVIES (2 Mar 1959 - ____) _Bernice Jean douglas _ _Louisa Emmeretta MINCHAM _+ INDEX. HTML created by GED2HTMLv3.5eWIN95 (Sep 26 1998) on 12/22/01 040251 . Samantha Jane hartree. http://members.fortunecity.com/icypole/d0003/g0000041.html

web hosting domain names email addresses related sites Margot May DAVIES 2 Mar 1959 - BIRTH : 2 Mar 1959 Father: Brian DAVIES Mother: Bernice Jean DOUGLAS Margot May DAVIES INDEX HTML created by GED2HTML v3.5e-WIN95 (Sep 26 1998) on 12/22/01 04:02:51 Samantha Jane HARTREE Father: John Bradshaw HARTREE Mother: Ann Christina WOODS _Mabel Adams SMITH Samantha Jane HARTREE INDEX HTML created by GED2HTML v3.5e-WIN95 (Sep 26 1998) on 12/22/01 04:02:51 Peter JAMES Father: William T. JAMES Mother: Florence FOGDEN Peter JAMES _Florence FOGDEN INDEX HTML created by GED2HTML v3.5e-WIN95 (Sep 26 1998) on 12/22/01 04:02:51 Madron (Maddern) KIMBER 25 May 1865 - 30 May 1932 OCCUPATION BIRTH : 25 May 1865, Clare, SA, AUS DEATH : 30 May 1932, Clare, SA, AUS Father: Charles KIMBER Mother: Maria NANKERVIS Family 1 Fanny JOHNS MARRIAGE : 16 Jan 1895, Adelaide, SA, AUS Rex KIMBER Max KIMBER Doris Clare KIMBER Marjorie KIMBER ... INDEX HTML created by GED2HTML v3.5e-WIN95 (Sep 26 1998) on 12/22/01 04:02:51 George OSBORNE BIRTH Father: Thomas OSBORNE Mother: Mary Ann Taylor VENUS _Thomas OSBORNE George OSBORNE INDEX HTML created by GED2HTML v3.5e-WIN95 (Sep 26 1998)

35. Hartree Energy - A Whatis Definition The constant gets its name from the 20thcentury physicist douglas hartree.It is sometimes used as an energy unit in theoretical physics. http://www.whatis.com/definition/0,,sid9_gci869619,00.html

Search our IT-specific encyclopedia for: or jump to a topic: Choose a topic... CIO CRM Databases Domino Enterprise Linux IBM S/390 IBM AS/400 Networking SAP Security Solaris Storage Systems Management Visual Basic Web Services Windows 2000 Windows Manageability Advanced Search Browse alphabetically: A B C D ... Computing Fundamentals Hartree energy The Hartree energy is a physical constant equal to twice the binding energy of the electron in the ground state (the lowest-energy state) of the hydrogen atom . When a hydrogen atom is in this state, an amount of energy equal to 0.5 Hartree is necessary to free the electron and thereby cause the atom to become an ion The value of the Hartree energy is approximately 4.36 x 10 joule (J), or 27.2 electronvolts (eV). The constant gets its name from the 20th-century physicist Douglas Hartree. It is sometimes used as an energy unit in theoretical physics. Also see Table of Physical Constants Last updated on: Dec 16, 2002 Learn more about: Learning Guide: A security policy primer Site Map for whatis.com Our Favorite Technology Blogs Quiz #36: Linux basics ... Order the whatis.com book Email a friend: Send this page to a friend!

36. Computational Physics: Hartree - Differential Analyzer douglas hartree's Differential Analyzer. Early 30's differential analyzerinvented by Vannevar Bush; 1934 - hartree built a differential http://csep1.phy.ornl.gov/comp-phys/seminar/hartree2.html

Douglas Hartree's Differential Analyzer Early 30's - differential analyzer invented by Vannevar Bush 1934 - Hartree built a differential analyzer at Manchester with colleagues Phyllis Lockett, David Copeley and Oscar Buneman Integrated the Schroedinger equation Solved the Poisson equation with a 24 point discrete Fourier transform (at this point Gauss's original FFT program written in Latin was still undiscovered) Applied algorithm to heat flow and the problem of cooking steel ingots (Phyllis had become Mrs. Nicholson and her assistant was Crank) During WWII - he worked on radar and ballistics problems

37. Guide To The Records Of CSIRAC - Series 1 - CSIRAC - ESTABLISHMENT 1/1 douglas hartree. This file contains letters to Professor Thomas Cherry,Head of the Department of Mathematics, from douglas hartree and EN Mutch. http://www.asap.unimelb.edu.au/pubs/guides/csirac/data/csir_s1.htm

Guide to the Records of CSIRAC Series 1 - CSIRAC - ESTABLISHMENT Douglas Hartree This file contains letters to Professor Thomas Cherry, Head of the Department of Mathematics, from Douglas Hartree and EN Mutch. Hartree's letter is apparently in response to inquiries made by Cherry regarding the finding of a permanent home for the CSIRO computer. The letter contains Hartree's advice on organisational and staffing arrangements based on his experience at the Cavendish Laboratory. Hartree also provides, at Cherry's request, his opinion of Pearcey. Mutch's letter details the operating and maintenance needs of a large computer, such as the one at Cambridge, and the staffing needed for these purposes. File contents includes: correspondence. Computer Centre Project Proposal This file contains a copy of a letter to the Vice-Chancellor of the University of Melbourne, from Thomas Cherry, outlining the estimated costs of the 'Computing Centre Project', in particular the CSIRAC computer. The letter makes reference to the CSIRO offer of an indefinite loan of the computer, the likely uses which could be made of it, probable staff positions and salary estimates, installation costs and the possibility of gaining grants from the Aeronautical Research Laboratories and the Department of Supply. The file also contains a copy of the Minutes of a Meeting of the University Finance Committee which resolved to recommend acceptance of the CSIRO offer and to fund the setting-up of the machine at the University.

38. Encyclopædia Britannica business organizations. hartree, douglas R(ayner) (1897–1958) Englishphysicist, mathematician, and computer pioneer. Brown, Capability http://search.britannica.com/search?query=scheme&ct=gen1&fuzzy=N

39. NCUACS Homepage Bodleian Library, Oxford. hartree, douglas Rayner (18971958) CSAC no. 45/9/76,4pp. Mathematics. Christ's College, Cambridge. HEATLEY, Norman George (b.1911). http://www.bath.ac.uk/ncuacs/catlist2.htm

NCUACS homepage Summary list of CSAC and NCUACS catalogues: arranged alphabetically The list gives the scientist's name and dates, followed by the catalogue number and number of pages, the subject area, and the place of deposit. Copies of NCUACS catalogues may be purchased from the Unit, and terms are available on request A-B C, D E-G ... W-Z Last updated 20 December 2002. T.E.Powell@bath.ac.uk Alphabetical Guide to CSAC and NCUACS catalogues List of CSAC and NCUACS catalogues: chronological List of CSAC and NCUACS catalogues: by discipline List of CSAC and NCUACS catalogues: by repository A, B The list gives the scientist's name, dates and subject area, followed by the catalogue number and number of pages, and the place of deposit. A ABRAHAM, Sir Edward Penley (1913-1999), biochemist. NCUACS no. 103/2/02, 233 pp., Bodleian Library, Oxford ADAMS, John Frank (1930-1989), mathematician. NCUACS no. 26/2/91, 119pp and NCUACS no. 34/2/92, 40pp. . Trinity College, Cambridge APPLETON, Sir Edward Victor (1892-1965), ionospheric physics CSAC no. 82/6/81, 172pp. Edinburgh University Library ARKELL, William Joscelyn (1904-1958), geologist. NCUACS no. 102/1/02, 156 pp., Library, Oxford University

40. Guide H hartree, douglas Rayner (18971958) CSAC no. 45/9/76, 4pp. Mathematics. Christ'sCollege, Cambridge. hartree, douglas Rayner, 1897-1958. Mathematician. http://www.bath.ac.uk/ncuacs/guideh.htm

NCUACS homepage Guide List of Contents Guide to the manuscript papers of British scientists: H ACCESS ARRANGEMENTS The collections described in this guide have been catalogued by the CSAC at Oxford and the NCUACS at the University of Bath, and subsequently deposited in libraries and archives throughout the UK. Inclusion in this guide does not imply that collections will be available for research. There are restrictions on access to items in a number of the collections and researchers should always consult the appropriate repository before planning a visit. New Most of the catalogues compiled by the Unit can now be viewed online through the Access to Archives website at the Public Record Office. Direct links to the catalogues are being (gradually) added from this Guide To view the full-text catalogue, please click on the link under Finding Aid Note, some catalogues are very extensive and may take a few moments to download. An indication of the size of the file is provided. HANSON , Emmeline Jean (1919-1973) CSAC no. 51/5/77, 25pp. Biophysics (Muscle) King's College, London HARDY , Sir Alister Clavering (1896-1985). Knight, zoologist. NCUACS no. 5/4/88, 98pp. Bodleian Library, Oxford

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