Bhagwan Shree Rajneesh (1931-1990)

Allan Bloom (1930-1992)

Michel Foucault (1926-1984)

Prabhat Rainjan Sarkar (1921-1990)

Sri K. Pattabhi Jois (1915)

Alan Watts (1915-1973)

Simone de Beauvoir (1908-1986)

Jean Paul Satre (1905-1980)

Nicola Abbagnano (1901-1990)

Erich Fromm (1900-1980)

Clive Staples Lewis (1898-1963)

Swami Prabhupada (1896-1977)

Jiddhu Krishnamurti (1895-1986)

Paramahansa Yogananda (1893-1952)

Gabriel Marcel (1889-1973)

Swami Sivananda (1887-1963)

Karl Jaspers (1883-1969)

Nicolai Hartmann (1882-1950)

Otto Weininger (1880-1903)

Ramana Maharshi (1879-1950)

Sri Aurobindo (1872-1950)

George Ivanovich Gurdjieff (1866-1949)

Franz Rosenzweig (1866-1929)

Vladimir Solovyov (1853-1900)

Friedrich Nietzsche (1844-1900)

Max Müller (1823-1900)

Henry David Thoreau (1817-1862)

Soren Kierkegaard (1813-1855)

Thomas Carlyle (1795-1881)

Arthur Schopenhauer (1788-1860)

Stendhal (1783-1842)

Jean Jacques Rousseau (1712-1778)

John Norris (1657-1711)

Judah Abrabanel (1460-1523)

Dogen Zenji (1200-1253)

Pierre Abelard (1079-1144)

Augustine of Hippo (354-430)

Vatsyayana (300-400)

Patanjali (200 bc)

Diotima of Mantineia (470-410 bc)

Anacharsis (6th century bc)

Lao Tzu (604-531 bc)