ACKNOWLEDGMENTS

10—Marshall Lockman
14, 15—drawings by Ajay
24, 25—Hy Peskin
28, 29—Keystone, Sovfoto (3)
32—European
44, 46—drawings by Anthony Ravielli
47—Bernie Cleff
49—Ed Schultz
51—I.N.P.
52—diagram by Anthony Sodaro
57—Walter Daran
60—A.P.
62—Frank Lerner
64, 65—A.P., diagram by Anthony Sodaro
70—Toni Frissell
72—¬© National Geographic Society