Professor John Roberts, also known as Chief Justice of the United States, has a morning law school class to teach the first week of July. On Malta.

To the north, and at a much higher elevation, Professor Antonin Scalia, will put his law students through their paces in Innsbruck, Austria.

At least two other justices, Samuel Alito and Ruth Bader Ginsburg, also will spend part of July teaching American law students at summer programs in Europe.