After a career as major in the Dutch Army in the Dutch East Indies van der Vecht returned to the Netherlands and spent the next 30 years studying the pyramids and translating works by the pyramidologist David Davidson van der Vecht founded two Christian Identity groups in the Netherlands which he was also the chairman of Bond Nederlands Isral and Nederlandsche IsralKring

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After a career as major in the Dutch Army in the Dutch East Indies, van der Vecht returned to the Netherlands and spent the next 30 years studying the pyramids and translating works by the pyramidologist David Davidson. van der Vecht founded two Christian Identity groups in the Netherlands, which he was also the chairman of: Bond Nederlands Israel and Nederlandsche Israel-Kring.