PTOLEMY (2nd CENTURY A.D.).
CLAUDIUS PTOLEMAEUS PTOLEMY.
PLANETARY SYSTEMS, 1537.
Claudius Ptolemy (90-168 AD), Greco-Egyptian Mathematician and Astronomer, Woodcut from "Les Vrais Pourtraits et vies des Hommes Illustres", Andre Thevet, 1584
Ptolemy of Alexandria.
Ptolemy of Alexandria's map of the then known world.
GALEN (129-c200 A.D.).
Ptolemy (c.90-c.168)
HIPPARCHUS (146-127 BC).
GALILEO GALILEI
Ptolemy and Euclid, 17th century artwork
A section of Ptolemy's catalogue of stars.
ARMILLARY SPHERE, 1531.
PTOLEMAIC UNIVERSE, 1481.
Ptolemy (Claudius of Ptolemaeus c90-158)
URANIA & ASTRONOMERS, 1660.
ASTRONOMER, 16th CENTURY.
ARCHIMEDES
Ptolemy (Claudius of Ptolemaeus)
EPICTETUS (c55-c135 A.D.).
JOHN DEE (1527-1608).
ARMILLARY SPHERE, 1543.
ASTRONOMERS, 1533.
ASTRONOMER, 1504.
IN ALMAGESTUM PTOLOMEI.
An astronomer (Ptolemy of Alexandria?)
PYTHAGORAS (c580-c500 B.C.).
THE ZODIAC, 1496.
PTOLEMAIC UNIVERSE, 1493.
PTOLEMAIC UNIVERSE, 1534.
GALILEO: DIALOGO, 1632.
PHASES OF THE MOON.
HIPPARCHUS (146-127 B.C.).
Claudius Ptolemaeus, Greek astronomer
EGYPTIAN CELESTIAL SPHERE.
PTOLEMAIC UNIVERSE.
INCAN UNIVERSE.
HINDU UNIVERSE.
Ptolemy (Claudius of Ptolemaeus) activel150 AD
Pyhthagorean world view, 16th century
PTOLEMAIC WORLD MAP, 1493.
BENJAMIN BANNEKER
GALILEO: TITLE PAGE, 1635.
COPERNICAN UNIVERSE, 1660.
STRABO (?63 B.C.-24 A.D.?).
STRABO (63 B.C.?-?24 A.D.).
Claudius Ptolemaeus
NICOLAUS COPERNICUS
PLUTARCH (c46-c120).
PHASES OF THE MOON, 1534.
The constellation of Auriga.
PTOLEMY: ALMAGEST, 1490.
ARISTARCHUS OF SAMOS
COPERNICAN UNIVERSE
CLAUDIUS AND MESSALINA.
CLAUDIUS I (10 B.C.-54 A.D.).
PTOLEMY: GEOGRAPHY.
ARCHIMEDES (287-212 BC).
ARCHIMEDES (287?-212 B.C.).
Anaxagoras, Ancient Greek philosopher
JOHANNES SCH NER
ARCHIMEDES (c287-212 B.C.).
John Dee, English alchemist
Frontispiece of Galileo's book on cosmology
SEXTUS EMPIRICUS (c160-c210).
CLEMENT OF ALEXANDRIA
EPICURUS (342?-270 B.C.).
ST. JUSTIN (c100-c165).
CORNELIUS TACITUS
Arthur Stanley Eddington (1882-1944)
PIERRE LOUIS de MAUPERTUIS
FRIEDRICH WILHELM BESSEL
PIERRE-SIMON de LAPLACE
KARL FRIEDRICH GAUSS
BANNEKER ALMANAC, 1795.
Nicolaus Copernicus, Polish astronomer
CHARLES M. DE LA CONDAMINE
EGYPTIAN COIN: PTOLEMY I.
Imaginative reconstruction of Ptolemy of Alexandria in his observatory.
OUROBOROS, 11th CENTURY.
Fine Guidance Sensor
PYTHAGORAS (d. 497 B.C.)
PTOLEMY THEORY: ARABIC MS.
Anaxagoras (c500-428 BC)
Page from the first printed edition of Ptolemy Almagest.
Karl Ernst von Baer, Prussian scientist and explorer
Bernard Carr, British astronomer
EPICTETUS (born 50 A.D.).
WORLD MAP: ERATOSTHENES.
EUCLID (FL. 300 B.C.)
ASTRONOMER, 1568.
James Jeans (1877-1946).
Anaximander, Ancient Greek philosopher
CELESTIAL SPHERE, 1723.
PTOLEMAIC UNIVERSE, 1660.
WORLD MAP, 1482.
GERONIMO CARDANO
APIAN: WORLD MAP, 1530.
Ptolemy, Greek astronomer
Ptolemy, Greek astronomer, artwork
ASTRONOMER, 1490.
ASTROLOGERS, 1513.
ASTRONOMER, 1513.
Galileo Galilei, Italian astronomer
GERHARDUS MERCATOR
THEOPHRASTUS
Henri Coudreau, French explorer
SORANUS (fl. 2nd CENTURY).
JUVENAL (60-140 AD).
ANTINOUS (c110-130 A.D.).
HERMES/MERCURY.
Aristarchos of Samos (active 260 BC)
Francois Arago, French astronomer
Geocentric and heliocentric models of the universe
Excavation of an Iron Age tomb
Pythagoras (6th century BC)
Sir John Frederick William Herschel, 1st Baronet, 1792 187
Aristarchos of Samos, astronomer
SAINT PETER (d.67).
Frontispiece of Ptolemy's Geographica showing Claudius Ptolemy in a Palace with books
PYTHAGORAS: SCALES, 1492.
PIERRE LAPLACE (1749-1827).
AUGUST FERDINAND MOEBIUS
JOSEPH LOUIS LAGRANGE
JOSEPH-LOUIS LAGRANGE
NATHANIEL BOWDITCH.
CHRISTOPHER CLAVIU
CHRISTOPHER CLAVIUS
Benjamin Peirce, US mathematician
John N Stockwell, American astronomer
ELEMENTS OF THE UNIVERSE.
ADOLPHE QUETELET (1796-1874)
GALILEO GALILEI (1564-1642).
THOMAS WRIGHT (1711-1786).
PTOLEMAIC UNIVERSE, 1559.
MUSICAL SCALE, 1492.
SVEN HEDIN (1865-1952).
Peter Apian, German mathematician
Imaginative reconstruction of Hipparchus in his observatory in Alexandria.