“MUST KNOW” List of notable geographers
1. Ernst George Ravenstein
2. Alfred Mahan
3. Nicholas Spykman
4. Ernst Burgess
5. Esther Boserup
6. C. Harris and E. Ullman
7. J.H. Von Thunen
8. Alfred Weber
9 .P.O. Muller
10.Wilber Zelinsky
11, Walter Christaller
12. Halford Mackinder
13. Walter Rostow
14. Thomas Malthus
15. Homer Hoyt
16. Immanuel Wallerstein
17. Norman Borlaug
18. Friedrich Ratzel
19. Colin Renfrew
20. Carl Sauer
21. Lang and Taylor
22. John Borchert
23. Larry Ford
24. Alfred Wegener
25. Jared Diamond
“MUST KNOW” list of models/theorists
UNIT I
Alfred Wegener
Wilber Zelinsky
Immanuel Kant
Carl Saur
Ellsworth Huntington
UNIT II
Ravenstein’s Laws of Migration*
Thomas Malthus’ Model*/NeoMalthusian
Demographic Transition Model*
Distance Decay Model
Epidemiological Transition Model*
Gravity Model*
Age-Sex Pyramid Models
UNIT VI
Mackinder’s Heartland Theory
Spykman’s Rimland Theory
Wallerstein’s World Systems Analysis
Ratzel’s Organic Theory (geopolitics)
Unit V
Von Thunen, Johann –rings of ag
Boserup, Esther – increase food production
to meet demand
Malthus, Thomas – Pop & Food supply
Sauer, Carl –Root & Seed Crop Hearths
Unit VI
Weber’s Least cost theory/Location theory
*Rostow’s modernization model
*Wallerstein’s Core periphery model/World
System Anaylsis Theory
Modernization model
Structuralist model
Dependency Theory
Liberal model
Ullman’s conceptual framework
Losch’s model (zone of profitability)
Unit VII
Bid-rent Theory – W. Alonso
Central Place Theory –W. Christaller
Concentric Zone Model - Burgess
Multiple Nuclei Model – Harris/Ullman
Sector Model – Hoyt
Urban Realm Model – Vance
Latin Am City Structure – Griffin &
Ford
SE Asia City - T. G. McGee
Sub-Saharan African City - deBlij