Philosophers
Thinkers who asked what it all means.
records written

Medieval era
Adelard of Bath
1075 – 1160
12th-century English natural philosopher

Medieval era
John of Salisbury
c. 1110 – October 25, 1180
English philosopher and theologian (ca 1115-1180)

Medieval era
Alain de Lille
c. 1117 – December 29, 1202
French theologian and poet

Medieval era
Vincent of Beauvais
1190 – 1264
13th century French encyclopedist

Medieval era
Siger of Brabant
1235 – November 10, 1284
Belgian philosopher, c. 1240–1284

Medieval era
Henry of Ghent
1217 – June 29, 1293
Scholastic philosopher

Medieval era
Giles of Rome
1243 – December 22, 1316
Roman Catholic archbishop

Medieval era
Witelo
1230 – 1275
Polish-German scholar

Medieval era
Pietro d'Abano
1250 – 1315
Italian physician, philosopher and philologist

Christine de Pizan
d. 1430
French poet and author (1364 – c. 1430)

Medieval era
Ramon Llull
1232 – 1316
Majorcan writer and philosopher (c.1232–1315/6)

Medieval era
Jean Gerson
December 13, 1363 – July 12, 1429
French academic (1363/1369–1429)

Medieval era
Mechthild of Magdeburg
1207 – 1282
German mystic

Medieval era
Marguerite Porete
1250 – June 1, 1310
French mystic

Medieval era
Henry Suso
March 21, 1295 – January 25, 1366
German Dominican friar and mystic

Ancient era
Enheduanna
c. 2300 BCE – c. 2300 BCE
Akkadian princess; Sumerian high priestess of Nanna at Ur; poet and philosopher

Ancient era
Ptahhotep
c. 2450 BCE – c. 2400 BCE
Ancient Egyptian vizier

Ancient era
Mazdak
c. 450 CE – 529 CE
Iranian philosopher

Ancient era
Julia Domna
c. 165 CE – 217 CE
Ancient Roman empress

Ancient era
Plotinus
205 CE – 270 CE
Hellenistic Platonist philosopher and founder of Neoplatonism (c. 204/5–270)

Ancient era
Philo of Alexandria
15 BCE – 45 CE
Hellenistic Jewish philosopher who lived in Alexandria (c. 20 BCE-c. 50 CE)

Ancient era
Clement of Alexandria
150 CE – 215 CE
Christian theologian (c.150 – c.215)

Ancient era
Tertullian
150 CE – 220 CE
Roman Christian theologian and writer (c. 155 – c. 220)

Ancient era
Lucian of Samosata
120 CE – c. 200 CE
2nd-century Syrian satirist and rhetorician

Ancient era
Porphyry
233 CE – 301 CE
3rd-century Greek Neoplatonist philosopher

Ancient era
Iamblichus
240 CE – 320 CE
Syrian Neoplatonist philosopher (c. 245 – c. 325)
Ancient era
Bardaisan
July 11, 154 CE – 222 CE
Syrian gnostic, scientist, philosopher and poet (154-222)

Modern era
Sir Ziauddin Ahmad
February 13, 1878 – December 23, 1947
Indian mathematician and philosopher (1873-1947)

Modern era
Madan Mohan Malaviya
December 25, 1861 – November 12, 1946
Indian educator and politician

Modern era
Bagha Jatin
December 7, 1879 – September 10, 1915
Bengali revolutionary (1879-1915)

Modern era
Mahadev Govind Ranade
January 18, 1842 – January 16, 1901
Indian scholar, social reformer and author (1842-1901)

Modern era
Chattampi Swamikal
August 25, 1853 – May 5, 1924
Indian spiritual leader and social reformer

Modern era
Sahodaran Ayyappan
August 21, 1889 – March 6, 1968
Indian politician and reformer (1889-1968)

Modern era
Vinoba Bhave
September 11, 1895 – November 15, 1982
Indian advocate of nonviolence and human rights (1895-1982)

Modern era
Sadhu Vaswani
November 25, 1879 – January 16, 1966
Indian educationer, humanitarian and spiritual leader (1879-1966)

Modern era
Riazuddin
November 10, 1930 – September 9, 2013
Pakistani nuclear physicist (1930–2013)
Modern era
Muhammad Hasan Askari
November 5, 1919 – January 18, 1978
Writer, Critic, Short story writer, translator (1919–1978)

Modern era
Isaiah
June 6, 1909 – November 5, 1997
Russo-British-Latvian Jewish social and political theorist, philosopher and historian of ideas (1909–1997)

Medieval era
Bernard of Clairvaux
1090 – August 20, 1153
Burgundian saint, abbot and theologian (1090–1153)

Medieval era
Catherine of Siena
March 25, 1347 – April 29, 1380
Italian Dominican saint (1347-1380)

Medieval era
Thomas a Kempis
1380 – July 25, 1471
German canon regular

Medieval era
John Wycliffe
c. 1320 – December 31, 1384
English theologian and dissident in the Roman Catholic Church

Modern era
Pope Benedict XVI
April 16, 1927 – December 31, 2022
265 th pope of the Catholic Church (2005–2013)

Medieval era
Rabia al-Adawiyya
c. 710 CE – 801 CE
Iraqi sufi and poet

Ancient era
Zhuangzi
369 BCE – 288 BCE
Chinese Taoist philosopher (c. 369–286 BC)

Ancient era
Bodhidharma
483 CE – 540 CE
Indian-Chinese philosopher and Buddhist Monk

Early Modern era
Guru Gobind Singh
December 22, 1666 – October 7, 1708
Tenth Sikh guru (1661–1708)

Medieval era
Kabir
1440 – 1518
15th-century Indian mystic poet and saint

Modern era
Ramakrishna
February 18, 1836 – August 16, 1886
Indian mystic and religious preacher (1836–1886)

Modern era
Ramana Maharshi
December 30, 1879 – April 14, 1950
Indian spiritual teacher (1879–1950)

Ancient era
Solon
638 BCE – 558 BCE
Athenian legislator

Ancient era
Xenophon
430 BCE – 354 BCE
Greek philosopher, historian, soldier (c. 430–355/354 BC)

Ancient era
Anaximander
620 BCE – 547 BCE
Pre-Socratic Greek philosopher

Ancient era
Anaxagoras
500 BCE – 428 BCE
5th-century BC Greek philosopher

Ancient era
Parmenides
515 BCE – 470 BCE
Late 6th/early 5th century BC Greek pre-Socratic philosopher

Ancient era
Empedocles
490 BCE – 430 BCE
5th century BC Greek philosopher

Ancient era
Protagoras
486 BCE – 420 BCE
Pre-Socratic Greek philosopher (c.490–c.420 BC)

Ancient era
Lucretius
94 BCE – 55 BCE
1st-century BC Roman poet and philosopher

Ancient era
Julian the Apostate
November 17, 331 CE – June 26, 363 CE
Last Pagan Roman emperor, reigned 361 to 363

Patanjali
Ancient Indian scholar(s) of grammar and linguistics, of yoga, of medical treatises