Thorstein Veblen
18571929
American economist and sociologist known for his critique of capitalism and the concept of conspicuous consumption
3 ອະນຸສອນສະຖານ ພົບ
ເບິ່ງທັງໝົດໃນຊີວິດ ດ້ວຍຕົວກອງທີ່ໃຊ້ແລ້ວ18571911
French psychologist who, with Théodore Simon, invented the first practical intelligence test to help identify children needing educational support