Ascetics

Diogenes the Cynic (, ; ), also known as Diogenes of Sinope, was an ancient Greek philosopher during the period of Classical Greece, and one of the founders of Cynicism.

Mahavira (), also known by his birth name Vardhamana (), was an Indian religious reformer and spiritual leader, considered by Jains to be the 24th and final Tirthankara (Supreme Preacher) in the current time cycle of Jain cosmology. He is believed by historians to have lived in the 6th or 5th century BCE, reviving and reforming an earlier Jain or proto-Jain community which had likely been led by Pārśvanātha, whom Jains consider to be Mahavira's predecessor. Although the dates of Mahavira's life are uncertain and historically reliable information is scarce, and traditional accounts vary by sect

Antisthenes (; , ; 446 366 BCE) was a Greek philosopher and a pupil of Socrates. Antisthenes first learned rhetoric under Gorgias before becoming an ardent disciple of Socrates. He adopted and developed the ethical side of Socrates' teachings, advocating an ascetic life lived in accordance with virtue. Later writers regarded him as the founder of Cynic philosophy.

Mozi, personal name Mo Di,

Bahubali (, ) was the son of Rishabhanatha (the first tirthankara of Jainism) and the brother of the chakravartin Bharata. He is a revered figure in Jainism. He is said to have meditated motionless for 12 years in a standing posture (kayotsarga), with climbing plants having grown around his legs. After his 12 years of meditation, he is said to have attained omniscience (kevala jnana).

American non-denominational spiritual teacher (1908–1981)

American songwriter and recording artist (1908–1995)

Guru Nanak's son