None of these
Basavaraja
Shankaracharya
Ramanuja
Jain philosophy
Sufi philosophy
The Vedas
Buddhist philosophy
Guru Nanak
Guru Ramdas
Ranjit Singh
Guru Teh Bahadur
Guru Arjun Singh
Guru Govind Singh
Guru Hara Govind
1538-1552 AD
1567-1589 AD
1534-1545 AD
1556-1578 AD