Aart Jurriaanse (1907-2002) was South African and he dedicated his life to studying the Ancient Wisdom Teachings and coveying them to everyone. Besides producing compilations of the Alice Bailey books (“Ponder on This”, “Serving Humanity”) he wrote eight books himself, among them his magnum opus „Bridges“ and „All is Relative“. All is works have proven to be invaluable tools to seekers of today.