Including the non-governmental organisation of experts committed to expanding the frontiers of space, what were the other two societies Loeb was elected fellow of?
International Academy of Astronautics The International Academy of Astronautics (IAA) is a non-governmental organisation of experts committed to expanding the frontiers of space. It was established in Stockholm (Sweden) on August 16, 1960.
Albert Einstein Institution The Albert Einstein Institution is a non-profit organization that specializes in the study of the methods of nonviolent resistance in conflicts and to explore its policy potential and communicate these findings through print and other media, translations, conferences, consultations, and workshops. The institution's founder and senior scholar, Gene Sharp, is known for his writings on strategic nonviolent struggle.