ALLEN F. DAVIS 1953 is Professor of History, College of Arts and Sciences, at Temple University in Philadelphia, Pennsylvania.
ALLEN E. KING, Professor of Physics Emeritus and Curator of Historical Scientific Apparatus, has contributed articles on scientific topics to earlier issues of this journal.
VIRGINIA L. CLOSE is a Humanities & Social Sciences Reference Bibliographer.
FRANCIS X. OSCADAI is a Humanities & Social Sciences Reference Bibliographer.
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