Harold Rabinowitz is director of the book packaging firm The Reference Works and has served as executive editor of the McGraw-Hill Encyclopedia of Science and Technology and science editor of the Encyclopedia Americana. He is the author of books on the history of aviation, on the Old West, and in Judaica. He lives with his family and library in Riverdale, New York.
Rob Kaplan has held senior-level editorial positions with several major New York-based publishing houses and currently heads his own literary services firm, Rob Kaplan Associates. He lives with his family and more than four thousand books in Cortlandt Manor, N.Y.