Dr Bob Carter, a geologist and paleontologist at James Cook and Adelaide Universities writes clear economical prose, provides good illustrations and extensive citations.
Peter Gallagher is student of piano and photography. He was formerly a senior trade official of the Australian government. For some years after leaving government, he consulted to international organizations, governments and business groups on trade and public policy.
He teaches graduate classes at the University of Adelaide on trade research methods and the role of firms in trade and growth and tweets trade (and other) stuff from @pwgallagher