 The controversy between geographical "possibilism" and "determinism" might be considered as one of (at least) three dominant epistemologic controversies of contemporary geography.The other two controversies are 1) the "debate between neopositivists and neokantians about the "exceptionalism" or the specificity of geography as a science [and 2)] the contention between Mackinder and Kropotkin about what is—or should be—geography".