Who among the following were the leading advocates of quantitative revolution in Geography?
A. Semple and Ratzel
B. Mackinder and Ritter
C. Peter Hagget and Willilam Bunge
D. Kansky and Ratzel
E. Hagerstrand and Chorley
Choose the correct answer from the options given below:

Correct option is D

The correct answer is: (d), C and E only
The Quantitative Revolution was a significant paradigm shift in the field of geography that emerged in the mid-20th century. It marked a fundamental change in the way geographic research was conducted and had several significant implications and contributions in the field of geography.
Peter Haggett, a British geographer, contributed extensively to spatial analysis and geographic information science. His work focused on developing quantitative methods to study spatial interactions, urban systems, and regional development. Haggett's influential book "Locational Analysis in Human Geography" (1965) laid out key principles of spatial analysis using quantitative techniques.
William Bunge, an American geographer, was known for his pioneering work in spatial analysis and quantitative geography. He developed innovative approaches to spatial analysis, particularly in the context of urban geography and spatial diffusion. Bunge's work often involved the use of mathematical models and statistical methods to study spatial phenomena, challenging traditional geographic approaches.
Hagerstrand, a Swedish geographer, made significant contributions to the field of time geography. His work focused on the temporal aspects of human activities and movements, often incorporating quantitative methods to analyze spatial and temporal patterns. Hagerstrand's research laid the foundation for understanding how individuals and societies interact with space and time, contributing to the broader goals of the quantitative revolution.
Richard Chorley, a British geomorphologist, also embraced quantitative approaches in Geography, particularly in the field of geomorphology. His research on fluvial geomorphology and landscape evolution often involved the use of quantitative methods, such as mathematical modeling and statistical analysis, to understand landscape processes.
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Ellen Churchill Semple was an American geographer and one of the first female geographers in the United States. She made significant contributions to the field of geography, particularly in the areas of environmental determinism and regional geography.
Semple's work focused on the influence of physical geography, such as climate, topography, and natural resources, on human societies and cultures
Friedrich Ratzel was a German geographer and ethnographer who is often considered one of the founding figures of modern human geography. He made significant contributions to the study of political geography, cultural diffusion, and environmental determinism.
Ratzel is best known for his concept of "Lebensraum" (living space), which emphasized the relationship between human societies and their natural environments.
Sir Halford John Mackinder was a British geographer, academic, and politician who is often regarded as one of the founding fathers of geopolitics. He is best known for his seminal work on geopolitics and the theory of the "Heartland."