Room
Links and trees
Things joined to other things: families, flows, steps of a process, atoms in a molecule. The forms here show what is connected to what.
Studied from its original page 3
Reciprocal diagram of forces with Bow's notation
Robert H. Bow (space lettering and practical drawing), after J. C. Maxwell's reciprocal figures · 1873
A truss and, drawn apart from it, its diagram of forces; the letters given to the truss's spaces name the points of the diagram.
Williot (Williot-Mohr) displacement diagram
Victor Williot · 1877
Streetcar load model
Frankfurt transit exhibit, Leipzig building trade exhibition · 1913
Catalogued 123
- Square of opposition Aristotle (theory); diagram added by later commentators · 4th century BCE - later
- Porphyrian tree Porphyry of Tyre (text); diagram form by medieval commentators · 270-1200
- Isidore rota diagram Isidore of Seville · 600-625
- Byrhtferth diagram Byrhtferth of Ramsey · 1011
- Taijitu Zhou Dunyi; Daoist antecedents contested · 1070s
- Liber Floridus diagrams Lambert of Saint-Omer · 1120
- Arbor consanguinitatis Canon-law manuscript tradition; no single maker · 1140
- Wampum belt Haudenosaunee (Iroquois) nations · 1142-1700s
- Peter of Poitiers Compendium Peter of Poitiers · 1175-1205
- Scutum Fidei Anonymous; earliest attested with Peter of Poitiers · 1208-1216
- Rashid al-Din genealogical diagrams Rashid al-Din Hamadani · 1306-1307
- Silsilename (Ottoman genealogical scroll) Ottoman court historiography (after Persian models) · 16th-19th c.
- Ramist bracket diagram Petrus Ramus (Pierre de la Ramee) · 1550s-1570s
- Zübdetü't-tevârih genealogical tree Seyyid Lokman; illustrated by Nakkaş Osman · 1583
- Wilkins philosophical tables John Wilkins · 1668
- Circle of fifths Mykola Dyletsky (1677); Johann David Heinichen (1728) · 1677-1728
- Table of affinities Étienne François Geoffroy · 1718
- Cyclopaedia division-of-knowledge chart Ephraim Chambers · 1728
- Systema Naturae tabular classification Carl Linnaeus · 1735
- Tonnetz Leonhard Euler · 1739
- Système figuré des connaissances humaines Denis Diderot and Jean le Rond d'Alembert · 1751
- Buffon dog-breed genealogy Georges-Louis Leclerc, Comte de Buffon · 1755
- Tableau economique Francois Quesnay · 1758
- Duchesne strawberry genealogy Antoine Nicolas Duchesne · 1766
- Euler diagram Leonhard Euler (namesake); earlier forms exist · 1768
- Dichotomous identification key Jean-Baptiste Lamarck · 1778
- Map of plant affinities Paul D. Giseke · 1792
- Lamarck branching table Jean-Baptiste Lamarck · 1809
- Quinarian circles William S. MacLeay · 1819
- Stemma codicum C.J. Schlyter; Karl Lachmann · 1827
- Darwin tree of life diagram Charles Darwin · 1837-1859
- Hitchcock paleontological chart Edward Hitchcock · 1840
- Strickland map of animal affinities Hugh Edwin Strickland · 1841
- Schleicher Stammbaum August Schleicher · 1853
- Organizational chart Daniel Craig McCallum (concept); George Holt Henshaw (drafted) · 1854-1855
- Couper structural formulae Archibald Scott Couper · 1858
- Kekulé sausage formulae Friedrich August Kekulé von Stradonitz · 1861
- Loschmidt circle formulae Johann Josef Loschmidt · 1861
- Crum Brown graphic formulae Alexander Crum Brown · 1864
- Maxwell-Cremona reciprocal diagram J.C. Maxwell; Luigi Cremona · 1864/1872
- Croquet-ball molecular models August Wilhelm Hofmann · 1865
- Dewar brass strip molecular models James Dewar · 1866
- Haeckel phylogenetic tree Ernst Haeckel · 1866
- Kinship diagram Lewis Henry Morgan (1871); William Halse Rivers Rivers (1910) · 1871-1910
- Wave model (Wellentheorie) Johannes Schmidt · 1872
- Cayley isomer tree Arthur Cayley · 1874
- Van 't Hoff paper molecular models Jacobus Henricus van 't Hoff · 1875
- Reed-Kellogg sentence diagram Reed & Kellogg · 1877
- Cell lineage tree Charles Otis Whitman · 1878
- Sylvester chemical graph James Joseph Sylvester · 1878
- Food web diagram Lorenzo Camerano (1880); Victor Summerhayes and Charles Elton (1923) · 1880-1923
- Polynesian genealogical instrument Marquesas Islands makers · 1890
- Fischer projection Hermann Emil Fischer · 1891
- Hasse diagram Henri Gustave Vogt (earliest documented); Helmut Hasse (namesake) · 1895-1930s
- Sankey diagram Matthew Henry Phineas Riall Sankey · 1898
- Bubble (adjacency) diagram Architectural programming practice; no single originator · 1900s
- Pedigree chart Medical genetics practice; no single originator · 1900s
- Wigmore chart John H. Wigmore · 1913
- Lewis dot structure Gilbert Newton Lewis · 1916
- Flow process chart Frank & Lillian Gilbreth · 1921
- Flowchart Frank and Lillian Gilbreth (process chart, 1921); Herman Goldstine and John von Neumann (computing, 1947) · 1921-1947
- Box (classification) chart Karsten (naming); business practice · 1923
- Planetary chart Karsten (naming); business practice · 1923
- Tree chart (classification tree) Karsten (naming); business practice · 1923
- Grotrian diagram Walter Grotrian · 1928
- Haworth projection Walter Norman Haworth · 1929
- Diagrammatic transit map Harry Beck · 1933
- Jablonski diagram Aleksander Jabłoński · 1933/1935
- Sociogram Jacob L. Moreno · 1934
- Hubble tuning-fork diagram Edwin Hubble (diagram form suggested by James Jeans) · 1936
- Life space diagram Kurt Lewin · 1936
- Latimer diagram Wendell Mitchell Latimer · 1938
- Trait-tracing chart Genetics and eugenics practice; described by Brinton · 1939
- Target sociogram Mary Northway · 1940
- Trophic-dynamic diagram Raymond Laurel Lindeman · 1942
- Ishikawa (fishbone) diagram Kaoru Ishikawa · 1943
- Sociomatrix Elaine Forsyth and Leo Katz · 1946
- Feynman diagram Richard P. Feynman · 1949
- Beardsley argument diagram Monroe Curtis Beardsley · 1950
- Cladogram Willi Hennig · 1950
- Decision tree (decision analysis) Operations research practice; no single originator · mid-20th century
- Reliability block diagram US military and aerospace reliability practice; no single originator · 1950s-1960s
- State transition diagram Automata and control theory practice; no single originator · mid-20th century
- Newman projection Melvin Spencer Newman · 1952
- Watson-Crick DNA model James Dewey Watson and Francis Harry Compton Crick · 1953
- Gozinto chart Andrew Vazsonyi · 1954
- Structure of Intellect cube Joy Paul Guilford · 1955-1956
- Critical path method network Morgan R. Walker and James E. Kelley Jr. · 1957-1959
- Phrase structure tree Noam Chomsky · 1957
- Silver Springs energy-flow diagram Howard Thomas Odum · 1957
- PERT network US Navy Special Projects Office with Booz Allen Hamilton and Lockheed · 1958
- Toulmin argument model Stephen Edelston Toulmin · 1958
- Tesnière stemma Lucien Tesnière · 1959
- Activity relationship chart Richard Muther · 1961
- From-to chart (cross chart) Richard Muther (standard citation; originator undocumented) · 1961
- Precedence diagram John W. Fondahl · 1961
- Fault tree Harold A. Watson, Bell Telephone Laboratories · 1962
- MDS perceptual map Roger Newland Shepard (1962); Joseph Bernard Kruskal (1964) · 1962-1964
- Petri net Carl Adam Petri · 1962
- Dendrogram Robert Reuven Sokal and Peter Henry Andrews Sneath · 1963
- Woodward-Hoffmann correlation diagram Robert Burns Woodward and Roald Hoffmann · 1965
- Semantic network Matthew Ross Quillian · 1968
- Bachman diagram Charles William Bachman · 1969
- Byron's Bender protein wire model Byron Rubin · 1970
- Layered three-dimensional Sankey diagram Center for Strategic and International Studies · 1970s
- Energy systems language Howard T. Odum · 1971
- Concept map Joseph Donald Novak · 1972
- House of quality Mitsubishi Heavy Industries Kobe Shipyard; Yoji Akao (QFD) · 1972
- Nassi-Shneiderman diagram Isaac Nassi and Ben Shneiderman · 1973
- HIPO chart IBM (internal); published by J. F. Stay · 1974-1976
- Mind map Tony Buzan (popularised); radial forms far older · 1974
- Ecomap Ann Hartman · 1975-1978
- Event tree Reactor Safety Study team under Norman Rasmussen · 1975
- Jackson structure diagram Michael Anthony Jackson · 1975
- Syntax (railroad) diagram Popularised by Niklaus Wirth with Kathleen Jensen · 1975
- Entity-relationship diagram Peter Pin-Shan Chen · 1976
- Warnier-Orr diagram Jean-Dominique Warnier and Kenneth Orr (independently) · 1976
- Seven new QC tools JUSE committee including Shigeru Mizuno · 1979
- Plutchik wheel of emotions Robert Plutchik · 1980
- Axial map and justified graph Bill Hillier and Julienne Hanson · 1984
- Genogram Monica McGoldrick and Randy Gerson; concept from Murray Bowen · 1985
- Swimlane diagram Geary A. Rummler and Alan P. Brache · 1990
- Value stream map Mike Rother and John Shook · 1998
Could also hang in: Links and trees 28
- Fu Xi circular hexagram arrangement Formalised by Shao Yong; traditionally attributed to Fu Xi · 11th century
- Joachim of Fiore figurae Joachim of Fiore; compiled posthumously · 1200
- Mixtec screenfold codex Mixtec scribes · 1300-1500
- Llullian combinatorial wheels Ramon Llull · 1308
- Merdiban (staircase) accounting layout Abdullah b. Muhammad b. Kiya al-Mazandarani · 1363
- Adams solid geometry models George Adams · 1750
- Harris colour wheel Moses Harris · 1766
- Lukasa memory board Luba (Congo) court historians · 19th-20th c.
- Dalton atomic symbols John Dalton · 1808
- Goethe colour circle Johann Wolfgang von Goethe · 1810
- Begriffsschrift notation Gottlob Frege · 1879
- Venn diagram John Venn · 1880
- Hanging chain model Antoni Gaudi · 1889
- Outlook Tower regional survey Patrick Geddes · 1892
- Existential graphs Charles Sanders Peirce · 1896
- Peg-and-string scheduling board No originator documented; factory production control · 20th century
- Spaghetti diagram No single inventor documented; industrial engineering practice · 20th century
- Soreau classification of nomogram genera Rodolphe Soreau · 1901
- Two-handed process chart Frank Bunker Gilbreth and Lillian Moller Gilbreth · 1911-1921
- Routing string map American sales practice; described by Brinton and Karsten · 1914-1923
- Du Pont formula chart Du Pont (F.D. Brown) · 1919
- Schenkerian graph Heinrich Schenker · 1932-1935
- Electron-density contour stack Dorothy Crowfoot Hodgkin · 1945-1947
- MONIAC hydraulic computer Alban William Housego Phillips · 1949
- Desire line map Chicago Area Transportation Study; no single originator · 1959
- Forest of rods protein model John Cowdery Kendrew · 1960
- Helical wheel Schiffer & Edmundson · 1967
- Reorderable matrix Jacques Bertin · 1967/1977