PLATE I: [a], The Seattle Times. [b], A Shell Photo

PLATE II: [a], Smithsonian Astrophysical Observatory. [b], Wide World Photo

PLATE III: [a], Smithsonian Astrophysical Observatory. [b], Gilberto Vazquez, El Imparcial, San Juan, Puerto Rico

PLATE IV: [a], Wide World Photo.[ b], Wide World Photo. [c], David Atlas, Air Force Cambridge Research Center, Bedford, Massachusetts

PLATE V: [a], Bernd T. Matthias and Solomon J. Buchsbaum, Bell Telephone Laboratories. [b], Dr. John C. Jensen, Nebraska Wesleyan University

PLATE VI: [a], United Press Photo. [b], United Press Photo

PLATE VII: [a], C. L. Johnson. [b], Mrs. William Felton Barrett

PLATE VIII: [a], United Press Photo. [b], Wide World Photo

[Figure 18]. Courtesy True, The Man’s Magazine. Copyright 1952, Fawcett Publications, Inc.

Drawings by Cushing and Nevell