Theory Collection

Histological Diagram of a Mammalian Retina
RAMON Y CAJAL, Santiago (1852-1934). Spanish doctor and histologist, Nobel Prize in 1906. Histological diagram of a mammalian retina. Original drawing by Ramon y Cajal

Mendeleyevs periodic table, 1869. Mendeleyevs periodic table of 1869. This is the first version of the periodic table drawn up by the Russian chemist Dmitri Ivanovich Mendeleyev (1834-1907)

Richard Feynman, caricature C015 / 6715
Richard Feynman (1918-1988). Caricature of the American theoretical physicist Richard Phillips Feynman. As a young man, Feynman worked on the American atomic bomb project at Los Alamos

Standard periodic table, element types
Standard periodic table, colour-coded for element types. The periodic table shows the chemical elements ordered by atomic number (number of protons in the nucleus)

Standard periodic table, element types
Standard periodic table, colour-coded for element types. The periodic table shows the chemical elements ordered by atomic number (number of protons in the nucleus)

Daltons table of Atomic symbols, 1835
John Dalton (1766-1844) English chemist. Daltons table of Atomic symbols from a lecture delivered by him at the Manchester Mechanics Institution, October 1835

Continental drift maps
Reconstruction of the map of the world for three periods according to the Displacement Theory. Figs 1-2 from The Origin of Continents and Oceans (1924) by Alfred Wegener

Geological unconformity on the river Jed. Plate 3 from Theory of the Earth (1795) Vol. 1, by James Hutton

Torus universe, artwork
Torus universe. Computer artwork of a universe shaped like a torus (doughnut-shaped). Some cosmologists believe that the universe could be this shape due to gravity warping spacetime

Newtons Opticks with colour Spectrum
Opticks by the English physicist and mathematician Sir Isaac Newton (1642-1727), published in 1704 with a colour spectrum produced by a prism projected across the title page

Starlight bent by the Suns Attraction: The Einstein Theory
This diagram drawn by W. B. Robinson illustrates Professor Einsteins Theory that light is subject to gravitation. The drawing was based on British observers photographs at the eclipse of the sun

Advertisement for a book about flying saucers
An advertisement for a book by Gray Barker, They Knew Too Much About Flying Saucers, suggesting cover-ups, conspiracy and paranoia surrounding UFO sightings

Claudius Galen (Bust)
CLAUDIUS GALEN Greek physician working in Rome, at court of Marcus Aurelius and Commodus : he tended the gladiators, and voiced theory of humours. Date: 129 - 199

With the sun at the center; Copernicus appears at lower right and Ptolemy at lower left
COPERNICAN UNIVERSE, 1660. With the sun at the center; Copernicus appears at lower right and Ptolemy at lower left. Copperplate engraving from Andreas Cellarius Atlas Coelestis seu Harmonia

Mathematical series, 18th century

Universe timeline, artwork
Big Bang and Evolution of Galaxies - The observable Universe is about 84 billion light years across. According to the standard view of cosmolog

Universe timeline, artwork
Big Bang and Evolution of Galaxies - The observable Universe is about 84 billion light years across. According to the standard view of cosmolog

Leonhard Euler, Swiss mathematician and physicist

Descartes optics theory, 17th century
Descartes optics theory, artwork. This is the eye diagram from Descartes book Optics (1637). Three external points are shown depicted on the retina at the back of the eye

Multiple universes. Conceptual computer artwork of many Earths, representing the many worlds quantum theory. This theory is an attempt to explain the fundamental uncertainty of quantum theory

SMITH, Adam (1723-1790). The Theory of Moral
" SMITH, Adam (1723-1790). " The Theory of Moral Sentiments". Half-title with portrait of the author. Published in 1809. Engraving. SPAIN. Barcelona

Christmas star as planetary conjunction. Artwork of a possible Christmas Star in the night sky of the year 7 BC. Traces of the planetary conjunction of Jupiter

British physicist Prof. Peter Higgs C015 / 4138
British theoretical physicist Professor Peter Higgs (b. 1929). In 1964, Higgs predicted the existence of a new type of fundamental particle, commonly called the Higgs boson

The Ironstein Theory of Golf, by William Heath Robinson
A prospective competitor in our 500 golf contest makes one of those fance drives that are so bewildering to the ordinary member of a local golf club

A diagram of the Universe by the 17th century English Neoplatonist Robert Fludd showing the links between the hidden
FLUDDs UNIVERSE. A diagram of the Universe by the 17th century English Neoplatonist Robert Fludd showing the links between the hidden God and the manifest world

Einstein and Eddington, 1930
Einstein and Eddington. German-born physicist Albert Einstein (1879-1955), at left, was famous for his theories of relativity

with the sun at the center. Engraving, Dutch, 17th century
COPERNICAN UNIVERSE with the sun at the center. Engraving, Dutch, 17th century

Nicolaus Copernicus, Polish astronomer C017 / 7118
Nicolaus Copernicus, Polish astronomer

Johannes Kepler, German astronomer C017 / 7113
Johannes Kepler (1571-1630), German astronomer, holding a divider used to plot distances. Kepler devised three fundamental laws of planetary motion

16th-century medical astrology
Medical astrology. 16th-century artwork of Zodiac Man, a male body labelled with the twelve signs of the zodiac. This artwork was published in Freiburg in 1503 in the encyclopedia Margarita

Alfred Adler, Austrian psychiatrist
Alfred Adler (1870-1937), Austrian psychologist. Adler was a contemporary of Sigmund Freud, and was invited by him to join the Vienna Psychoanalytic Society

Oscillating universe theory, artwork. Also called cyclic models, these theories of the origin and nature of the universe postulate that following the Big Bang there is enough mass to reverse

Glass Prism refracting colour spectrum
Flint Glass Prism refracting the colour spectrum. Computer artwork. A narrow slit of light is focussed towards the prism which refracts the light into the colour spectrum

Man in the Iron Mask, playing the cello in prison
There are conflicting theories as to who this man was. One is that he was Count Ercole Antonio Mattioli (Matthioli or Marchioly, 1640-1703), an Italian diplomat, arrested as Eustache Dauger in 1669

Werner Heisenberg, German physicist C017 / 7123
Werner Karl Heisenberg (1901-1976), German physicist. Heisenberg was awarded the 1932 Nobel Prize in Physics for his work on a matrix theory of quantum mechanics

Josiah Willard Gibbs, US mathematician
Josiah Willard Gibbs (1839-1903), US mathematician and theoretical physicist. Gibbs graduated from Yale University, USA in 1858 and gained a PhD on gear design in 1863

Celestial Map of the Planets (coloured engraving)
BAL42828 Celestial Map of the Planets (coloured engraving) by Eimmart, Georg Christoph II (1638-1705); O Shea Gallery, London, UK; German, out of copyright

Henri Poincare, caricature C015 / 6708
Henri Poincare, caricature

16th-century astronomy. Artwork of Atlas holding up the heavens. This artwork was published in Freiburg in 1503 in the encyclopedia Margarita Philosophica by the German author Gregor Reisch

John Maynard Smith, caricature
John Maynard Smith (1920-2004). Caricature of the British biologist John Maynard Smith. Maynard Smith studied engineering at Cambridge

Thomas Wright, British astronomer
Thomas Wright (1711-86), British astronomer. Wright was born at Byers Green in northern England. In 1730 he set up a school at which he taught mathematics and navigation

18th Century astronomical diagrams. Historical diagrams describing various 18th Century theoretical systems used to describe the motion of the planets in our solar system

Darwins Theory of Evolution
his theory is satirised - Am I a man and a brother Date: 1861 Source: unnamed artist in Punch 8 May 1861 page 206

Conversion of Galen
CLAUDIUS GALEN " Conversion of Galen" Greek physician to 5 Roman emperors and to gladiators. Author of the theory of the 4 humours

The late Charles Darwin
Article on Charles Darwin (1809 - 1882) with illustrations of his statue at the Natural History Museum, the exterior of his house at Down, near Beckenham, his study and green-house

DARWIN, Charles Robert (1809-1882). British naturalist, author of the theory of evolution by natural selection. Litography. UNITED KINGDOM. ENGLAND. Down. Down House

Higgs Boson particle, artwork
Higgs Boson particle. Computer artwork of a yellow sphere in a circular chamber with light emanating from behind it. This could represent the Higgs Boson particle being discovered in a particle

th Huxley / Downey Photo
THOMAS HENRY HUXLEY English scientist and champion of Darwins Theory of Evolution

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"Theory: Unveiling the Hidden Patterns of the Universe" From ancient times to modern scientific breakthroughs, theories have shaped our understanding of the world. A histological diagram of a mammalian retina reveals intricate structures that support the theory of vision. Mendeleyev's periodic table, created in 1869, laid the foundation for understanding elements and their properties. Richard Feynman, a brilliant physicist depicted in a caricature, contributed to quantum mechanics and explained complex concepts with his unique approach. The standard periodic table showcases various element types discovered over centuries. The bust of Claudius Galen reminds us of his influential medical theories during ancient Rome. An artwork depicting the universe timeline takes us on an awe-inspiring journey through cosmic evolution. A geological unconformity on the river Jed hints at Earth's dynamic nature and supports theories about plate tectonics. Starlight bent by the Sun's attraction highlights Einstein's theory of general relativity, revolutionizing our perception of gravity. Dalton's table of atomic symbols from 1835 provides insights into early attempts to understand matter at its fundamental level. Continental drift maps demonstrate how continents have shifted over millions of years due to plate tectonics. The concept of multiple universes challenges conventional thinking and expands our imagination beyond what we can observe directly. Theories continue to push boundaries and inspire new discoveries as humanity strives to unravel the mysteries surrounding us. In this captivating collage, we witness how theories connect seemingly disparate fields - from biology and chemistry to physics and geology - offering glimpses into profound truths that shape our existence in this vast universe.