Sea and Land MORGAN, PHILIP D. (HARRY C. BLACK PROFESSOR OF HISTORY, HARRY C. BLACK PROFESSOR OF HISTORY, THE JOHNS HOPKINS UNIVERSITY),MCNEILL, JOHN R. (UNIVERSITY PROFESSOR, UNIVERSITY PROFESSOR, GEORGETOWN UNIVERSITY),MULCAHY, MATTHEW (PROFESSOR OF HISTORY, PROFESSOR OF HISTORY, LOYOLA UNIVERSITY MARYLAND),SCHWARTZ, STUART B. (GEORGE BURTON ADAMS PROFESSOR OF HISTORY, GEORGE BURTON ADAMS PROFESSOR OF HISTORY, YALE UNIVERSITY)