Thorstein Veblen
18571929
American economist and sociologist known for his critique of capitalism and the concept of conspicuous consumption
3 kumbukumbu zimepatikana
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Tazama wote katika Maisha kwa kichujio kilichotumika18571911
French psychologist who, with Théodore Simon, invented the first practical intelligence test to help identify children needing educational support
