PTOLEMY (2nd CENTURY A.D.).
CLAUDIUS PTOLEMAEUS PTOLEMY.
GALEN (129-c200 A.D.).
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.
EPICTETUS (c55-c135 A.D.).
A section of Ptolemy's catalogue of stars.
Ptolemy (Claudius of Ptolemaeus)
GALILEO: TITLE PAGE, 1635.
ARMILLARY SPHERE, 1531.
PLANETARY SYSTEMS, 1537.
GALILEO GALILEI
Ptolemy and Euclid, 17th century artwork
HIPPARCHUS (146-127 BC).
ARCHIMEDES (287-212 BC).
Ptolemy (Claudius of Ptolemaeus c90-158)
STRABO (63 B.C.?-?24 A.D.).
STRABO (?63 B.C.-24 A.D.?).
An astronomer (Ptolemy of Alexandria?)
PYTHAGORAS (c580-c500 B.C.).
CLEMENT OF ALEXANDRIA
SEXTUS EMPIRICUS (c160-c210).
EPICURUS (342?-270 B.C.).
ST. JUSTIN (c100-c165).
Ptolemy (c.90-c.168)
PYTHAGORAS (d. 497 B.C.)
JOHANNES SCH NER
ARMILLARY SPHERE, 1543.
PTOLEMAIC UNIVERSE, 1481.
ARCHIMEDES
Claudius Ptolemaeus, Greek astronomer
ARCHIMEDES (287?-212 B.C.).
ARCHIMEDES (c287-212 B.C.).
ARISTARCHUS OF SAMOS
EUCLID (FL. 300 B.C.)
OUROBOROS, 11th CENTURY.
ASTRONOMER, 1568.
GALILEO: DIALOGO, 1632.
GALEN AND HIPPOCRATES.
PTOLEMY: GEOGRAPHY.
PLUTARCH (c46-c120).
ROME: FUNERAL PORTRAIT.
THALES OF MILETUS
THEOPHRASTUS
CORNELIUS TACITUS
IN ALMAGESTUM PTOLOMEI.
URANIA & ASTRONOMERS, 1660.
BENJAMIN BANNEKER
HIPPARCHUS (146-127 B.C.).
CLAUDIUS I (10 B.C.-54 A.D.).
CLAUDIUS AND MESSALINA.
HERODOTUS, 5th CENTURY B.C.
EPICURUS (343?-270 B.C.).
DEMOCRITUS (c460-c370 B.C.).
WORLD MAP: ERATOSTHENES.
Claudius Ptolemaeus
PTOLEMAIC UNIVERSE, 1559.
EPICTETUS (born 50 A.D.).
KARL FRIEDRICH GAUSS
The constellation of Auriga.
GERONIMO CARDANO
EUCLID (FL. 300 B.C.).
EUCLID (fl. 300 B.C.).
EUCLID (fl. c300 B.C.).
LUCIUS COMMODUS (161-192 A.D.).
LUCIUS COMMODUS (161-192).
ANTONINUS PIUS (86-161 A.D.).
LUCIUS VERUS (130-169).
LUCIUS SEPTIMIUS SEVERU
LUCIUS SEPTIMIUS SEVERUS
PUBLIUS PERTINAX (126-193).
DOMITIUS ULPIANUS
MARCUS AURELIUS
HADRIAN (76-138 A.D.).
GERHARDUS MERCATOR
PETR ALEKSEEVICH KROPOTKIN
Ptolemy (Claudius of Ptolemaeus) activel150 AD
Imaginative reconstruction of Ptolemy of Alexandria in his observatory.
CONFUCIUS (c551-479 B.C.).
SORANUS (fl. 2nd CENTURY).
Nicolaus Copernicus, Polish astronomer
HERMES/MERCURY.
AESOP, 1492.
AESOP (c620-560).
ARISTIPPUS (c435-366 B.C.).
XENOPHON (434?-?355 B.C.).
SOCRATES (470?-399 B.C.).
PLATO (c427-c347 B.C.).
PLATO (c427 B.C.-c347 B.C.).
PLUTARCH (46?-120?).
HERODOTUS (c484-c420 BC).
HERODOTUS.
HIPPOCRATES (c460-c377 B.C.).
DIOGENES (c412-323 B.C.).
THUCYDIDES (471?-?400 B.C.)
HOMER (9th-8th CENTURY B.C.).
TSENG TS'AN (505-?436 B.C.).
SAINT PETER (d.67).
FRIEDRICH WILHELM BESSEL
EMPEROR WU OF HAN
Ptolemy, Greek astronomer, artwork
Ptolemy, Greek astronomer
John Dee, English alchemist
ARISTOTLE (384-322 B.C.).
PTOLEMAIC UNIVERSE, 1493.
PTOLEMAIC UNIVERSE, 1534.
EGYPTIAN COIN: PTOLEMY I.
ARISTOTLE: TITLE PAGE.
SOLON (638?-559? B.C.).
THE ZODIAC, 1496.
MITHRAS KILLING THE BULL.
STEAM ENGINE, 100 A.D.
PTOLEMAIC WORLD MAP, 1493.
HYDRAULIC INSTRUMENT.
SIMONIDES (c556-c468 B.C.).
BANNEKER ALMANAC, 1795.
CHINA: PALACE ATTENDANTS.
GALILEO GALILEI (1564-1642).
ANTINOUS (c110-130 A.D.).
JUVENAL (60-140 AD).
PTOLEMY THEORY: ARABIC MS.
SOCRATES (c470-399 B.C).
HERODOTUS (c484-c425 B.C.).
HERACLITUS.
VIRGIL (70-19 B.C.).
PLINY THE ELDER (23-79).
MARCUS TULLIUS CICERO