He spent time in Latin America, about which he wrote extensively in a series of papers.
[1] He was a co-founder and co-editor of Zeitschrift, and subscribed to the theory of the organic state as a collection of spatial cells (regions, cities etc.
[2] Maull was at one time part of a team led by former military commander and political geographer Karl Haushofer.
Haushofer was a close associate of Rudolf Hess and called for Nazi Germany, the Soviet Union and Japan to form a Eurasian panregion.
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