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An edition in Latin of the Almagestum in 1515. The Almagest (/ ˈ æ l m ə dʒ ɛ s t / AL-mə-jest) is a 2nd-century mathematical and astronomical treatise on the apparent motions of the stars and planetary paths, written by Claudius Ptolemy (c. AD 100 – c. 170) in Koine Greek. [1]
Ptolemy I was the son of Arsinoe of Macedon by either her husband Lagus or Philip II of Macedon, the father of Alexander. However, the latter is unlikely and may be a myth fabricated to glorify the Ptolemaic Dynasty. [4] Ptolemy was one of Alexander's most trusted companions and military officers.
The work's enduring significance is attributed to several factors: Ptolemy's reputation as one of the greatest philosophers and scientists of the ancient world, [13] the text's astrological importance as one of the oldest complete manuals on that subject, [14] and the unprecedented order and quality of Ptolemy's astrological explanations. [15]
This list of ancient Greek philosophers contains philosophers who studied in ancient Greece or spoke Greek. Ancient Greek philosophy began in Miletus with the pre-Socratic philosopher Thales [1] [2] and lasted through Late Antiquity.
A 16th-century engraving of Ptolemy. Ptolemy's Optics is a 2nd-century book on geometrical optics, dealing with reflection, refraction, and colour. The book was most likely written late in Ptolemy's life, after the Almagest, during the 160s. [1] The work is of great importance in the early history of optics. The Greek text has been lost completely.
c. 50 – Aulus Cornelius Celsus died, leaving De Medicina, a medical encyclopedia; Book 3 covers mental diseases.The term insania, insanity, was first used by him. The methods of treatment included bleeding, frightening the patient, emetics, enemas, total darkness, and decoctions of poppy or henbane, and pleasant ones such as music therapy, travel, sport, reading aloud, and massage.
Max Wertheimer, co-founder of Gestalt psychology; Drew Westen; Michael White, (Founder of narrative therapy) Ken Wilber, transpersonal psychology, then integral psychology; Glenn D. Wilson, personality and sexual behaviour; Richard Wiseman; Władysław Witwicki, one of the fathers of psychology in Poland, the creator of the theory of cratism
Seligman is the Zellerbach Family Professor of Psychology in the University of Pennsylvania's Department of Psychology. He was previously the Director of the Clinical Training Program in the department, and earlier taught at Cornell University. [4] He is the director of the university's Positive Psychology Center. [1]