AlchemyAlchemy (from Arabic: al-kīmiyā; from Ancient Greek: χυμεία, khumeía) is an ancient branch of natural philosophy, a philosophical and protoscientific tradition that was historically practiced in China, India, the Muslim world, and Europe. In its Western form, alchemy is first attested in a number of pseudepigraphical texts written in Greco-Roman Egypt during the first few centuries AD. Alchemists attempted to purify, mature, and perfect certain materials. Common aims were chrysopoeia, the transmutation of "base metals" (e.
Sigmund FreudSigmund Freud (frɔɪd , ˈziːkmʊnt ˈfʁɔʏt; born Sigismund Schlomo Freud; 6 May 1856 – 23 September 1939) was an Austrian neurologist and the founder of psychoanalysis, a clinical method for evaluating and treating pathologies seen as originating from conflicts in the psyche, through dialogue between patient and psychoanalyst, and the distinctive theory of mind and human agency derived from it. Freud was born to Galician Jewish parents in the Moravian town of Freiberg, in the Austrian Empire.
Friedrich NietzscheFriedrich Wilhelm Nietzsche (ˈniːtʃə,_ˈniːtʃi , ˈfʁiːdʁɪç ˈvɪlhɛlm ˈniːtʃə or ˈniːtsʃə; 15 October 1844 – 25 August 1900) was a German philosopher, prose poet, cultural critic, philologist, and composer, whose work has exerted a profound influence on contemporary philosophy. Nietzsche's work spans philosophical polemics, poetry, cultural criticism, and fiction while displaying a fondness for aphorism and irony.