Arnold Toynbee was considered a controversial historian for several reasons:
1. **Grand Theories and Scope**: Toynbee's ambitious work, "A Study of History," attempted to analyze the rise and fall of 26 civilizations over 12 volumes. His sweeping scope and the grand nature of his theories drew criticism from historians who preferred more focused and empirically grounded studies.
2. **Comparative Methodology**: Toynbee's comparative approach, which involved drawing parallels between different civilizations, was seen as overly broad and sometimes speculative. Critics argued that this method lacked the rigorous empirical foundation typical of traditional historical research.
3. **Philosophical and Spiritual Interpretations**: Toynbee's integration of philosophical and spiritual dimensions into his analysis of history, including ideas drawn from religion and psychology, was unconventional. His focus on the moral and spiritual health of societies diverged from the more secular and materialist perspectives dominant in historical scholarship.
4. **Challenge-and-Response Theory**: His central theory that civilizations rise and fall based on their ability to respond to challenges was seen as overly simplistic and deterministic by some scholars. Critics argued that it did not adequately account for the complexity and variety of historical factors influencing the fate of civilizations.
5. **Reception by Academic Historians**: Many academic historians found Toynbee's style and conclusions to be more akin to those of a philosopher or theologian than a historian. His work was often considered too interpretative and not sufficiently grounded in primary source evidence.
6. **Political and Cultural Views**: Toynbee's views on contemporary political and cultural issues, such as his criticism of Western imperialism and his advocacy for understanding and cooperation between different cultures, were sometimes controversial. These views influenced his historical interpretations and were not always well received by his contemporaries.
7. **Public Intellectual**: Toynbee was a public intellectual who engaged in broad cultural and political debates. His prominence in public discourse and his willingness to address contemporary issues made him a polarizing figure, attracting both admiration and criticism.
Overall, Toynbee's interdisciplinary approach, ambitious scope, and willingness to incorporate spiritual and philosophical elements into his historical analysis made him a unique and often controversial figure in the field of history.