Grothendieck's 18

Alexander Grothendieck, the 'avatar' of 20th century mathematics, in his book, "La Clef des Songes"(1986-1987), discusses 18 men who were, according to him, "Les Mutants", or humans who are far ahead of time. The following is the list of those men along with brief introductions.

1. C. F. S. Hahnemann (1755 – 1843): German doctor and scholar, renewed the medicine of his time.
2. C. Darwin (1809 – 1882): English scientist.
3. W. Whitman (1819 – 1892): American journalist, poet and teacher.
4. B. Riemann (1826 – 1866): German mathematician.
5. Râmakrishna (1836 – 1886): Indian (Hindu) saint.
6. R. M. Bucke (1837 – 1902): American doctor, psychiatrist and scholar.
7. P. A. Kropotkine (1842 – 1921): Russian geographer and scholar; anarchist revolutionary.
8. E. Carpenter (1844 – 1929): Minister, farmer, English thinker and writer.
9. S. Freud (1856 – 1939): Austrian doctor, psychiatrist; creator of Psychoanalysis.
10. R. Steiner (1861 – 1925): German scholar, philosopher, writer, orator, pédagogue ... ; visionary teacher, creator of anthroposophy.
11. M. K. Gandhi (1881 – 1955): Indian advocate and politician; spread the message of 'ahimsa' (non-violence).
    
12. P. Teilhard de Chardin (1881 – 1955): French paleontologist, religious(Christian) thinker, worked for a reconciliation of religion and science.
    
13. A. S. Neill (1883 – 1973): English teacher and educator, who supported an education in liberty.
14. N. Fujii (aka Fujii Guruji) (1885 – 1985): Japanese Buddhist monk.
    
15. J. Krishnamurti (1895 – 1985): Orator, Indian religious thinker and writer.
    
16. M. Legaut (1900 - ...): University teacher, farmer, French Christian religious thinker and writer, pupil of Jesus of Nazareth, worked for a renewal of the spirit of the Christianity.
17. F. Carrasquer (1904 - ...): Spanish public school teacher, educator and militant anarchist.
18. ... Solvic (1923? ... 1945): American worker, who worked apparently without any particular appointment.