German philosopher Prof Thomas Winfried Menko Pogge, currently on an assignment as leitner Professor of Philosophy and International Affairs at Yale University, will deliver an extramural lecture on “Global justice” at the Ravenshaw University here on Wednesday.Prof Pogge, a recipient of PhD from Harvard University, is visiting Odisha currently. An eminent scholar in moral and political philosophy who has written various books on global justice, he will deliver his lecture at 11 am in the prestigious Heritage Hall of the Ravenshaw University.