Problem: Fred Manville Taylor's book, "Principles of Economics", follows the lineage of which 19th century economist?

A: Alfred Marshall

Problem: What international news agency located in London has the journalist, Michela Wrong, worked for?

A: Reuters

Problem: What environment did both Dirk Frimout and Klaus-Dietrich Flade work in?

A: Space

Problem: What war did the author of "The Road Back" fight in?

A:
World War I