Evolution of Geographical Thought Greek scholars -1, by Amandeep Singh

This PPT is about evolution of geographical Thought in ancient times by Greeks. Pioneer scholar of geography are discussed in this PPT. This PPT is a part of series of lectures given by me to Post Graduate students and students who are preparing for UGC NET Geography Exams.
These series of lectures would be very helpful to understand the evolution of geographical thought.

1. Evolution of Geographical Thought By Prof. Amandeep Singh Assistant Professor in Geography

2. Welcome to Our Today’s Lecture

3. HOMER 8 th or 9 th BC Greek Poet Epic writer Iliad & Odysssey About Trojan Wars ( 1280 – 1180 BC) Historical Geography Not familiar with terms of Europe and Asia Circular Earth surrounded by Vast Ocean Four Winds coming from Four Directions Bores – North Winds Eurus – East Wind Notus – South Wind Zephyrus – West Wind

4. Thales of Miletus Born -  626/623 BC in Miletus , Ionian League Died -  548/545 BC one of the  Seven Sages of Greece first philosopher in the Greek tradition founder of the  Ionian School of philosophy Pre-Socratic philosophy Main interests – Ethics, metaphysics, mathematics, astronomy Notable ideas - Philosophical inquiry, Water is the  arche , Thales ' theorem, Intercept theorem, Static electricity Influences - Babylonian astronomy, Ancient Egyptian mathematics, Ancient Egyptian religion Influenced – Pythagoras, Anaximander, Anaximenes , Xenophanes   Predicted the solar eclipse of 28 May 585  BC Six geometrical propositions that a circle is bisected by its diameter, that angles in a triangle opposite two sides of equal length are equal , that opposite angles formed by intersecting straight lines are equal , that the angle inscribed inside a semicircle is a right angle, and that a triangle is determined if its base and the two angles at the base are given . That sides of similar triangles are proportional

5. Anaximander ( 610 – 546 BC) Born in Miletus Disciple of Thales Pre-Socratic philosophy  introduce the  Babylonian instrument gnomon in Greece Main interests - Metaphysics , astronomy, geometry,  geography Notable ideas - The   apeiron  is the  arche ( unlimited or Indefinite was source of all ) Evolutionary  view of living things Earth floats unsupported Mechanical  model of the sky Water of rain from evaporation World map Influences - Thales of Miletus Influenced - All pre- socratic philosophy, in particular:  Anaximenes , Pythagoras, Democritus,  Greek astronomy ;  Heidegger Founder of Mathematical Geography Father of Cosmology Founder of Astronomy Explain How Four Elements (Air, Earth, water & Fire) formed & their interaction results No Divine Cause; Thunder & Lightening main cause First who perpared World Map on scale

6. Gnomon situated on the wall of a building facing Tiradentes Square, Curitiba, Brazil A  gnomon  is the part of a sundial that casts a shadow. Anaximander’s World Map

7. Sukrwn Thanks