01
North AfricaHistory · Society
Ibn Khaldun
1332–1406
Historian, jurist, diplomat, and social thinker born in Tunis. His work examined
how political authority, group solidarity, economics, environment, and institutions
shape the rise and decline of societies.
Known for: the Muqaddimah, a major work of historical method and social analysis.
02
SyriaAstronomy · Engineering
Ibn al-Shatir
1304–1375
Astronomer and timekeeper in Damascus who constructed mathematical models of
planetary motion and designed sophisticated instruments for determining time
and regulating religious observance.
Known for: innovative planetary models that eliminated several geometric devices used in earlier Ptolemaic astronomy.
03
FranceMathematics · Natural Philosophy
Nicole Oresme
c. 1320–1382
French scholar, bishop, mathematician, economist, and natural philosopher.
He wrote on motion, proportion, money, astronomy, and the interpretation of
Aristotelian science.
Known for: early graphical treatment of changing quantities and influential writing on monetary theory.
04
ItalyHumanism · Letters
Francesco Petrarch
1304–1374
Poet, textual scholar, and one of the central figures of early Italian humanism.
His search for classical manuscripts and his approach to Latin authors helped
shape Renaissance habits of reading and scholarship.
Known for: helping revive sustained scholarly engagement with classical Latin literature.
05
ChinaMathematics
Zhu Shijie
1249–1314
Chinese mathematician whose career extended into the opening decades of the
14th century. His writings synthesized and advanced techniques in algebra,
polynomial equations, series, and systems of equations.
Known for: Jade Mirror of the Four Unknowns, one of the major mathematical works of Yuan China.
06
IndiaPhilosophy · Theology
Jayatirtha
c. 1345–c. 1388
Indian philosopher of the Dvaita Vedanta tradition. He became an influential
commentator and systematic interpreter of Madhva's dualist philosophy,
sharpening its arguments in epistemology and metaphysics.
Known for: rigorous commentaries that became foundational texts for later Dvaita scholarship.
07
IndiaMathematics · Astronomy
Madhava of Sangamagrama
c. 1340–c. 1425
Mathematician and astronomer from Kerala associated with the tradition later
called the Kerala school. His work is linked to sophisticated infinite-series
methods used in trigonometry and numerical calculation.
Known for: foundational results in infinite series for trigonometric quantities and π.
08
EnglandTheology · Language
John Wycliffe
c. 1328–1384
Oxford theologian, philosopher, and critic of church wealth and authority.
His ideas influenced later reform movements, while his circle was associated
with an important Middle English Bible translation tradition.
Known for: influential theological arguments and the movement associated with vernacular biblical translation in England.