High Quality Content by WIKIPEDIA articles! Sonja Boehmer-Christiansen, Ph.D. is an Emeritus Reader in Geography at the University of Hull in Kingston-upon-Hull England where she taught environmental policy and politics. She was born in Dresden, East Germany then moved to Adelaide, South Australia where she obtained a research degree in geomorphology while also studying German literature and a bit of economics and geology. Her Ph.D. thesis was on the limits to the international control of marine pollution.