Entertaining author, teacher, and speaker on the wonders of the universe in everyday language.



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Our Universe Revealed in Everyday Language

Told with humor, enthusiasm, and rare clarity, this entertaining book reveals how Albert Einstein, a former high school drop-out revolutionized our understanding of space and time. From E=mc2 and everyday time travel to black holes and the big bang, Einstein Relatively Simple takes us all, regardless of our scientific backgrounds, on a mind-boggling journey through the depths of Einstein’s universe. Along the way, we track Einstein through the perils and triumphs of his life—follow his thinking, his logic, and his insights—and chronicle the audacity, imagination, and sheer genius of the man recognized as the greatest scientist of the modern era.

The book brings together for the first time an exceptionally clear explanation of both special and general relativity. It is for people who always wanted to understand Einstein’s ideas but never thought they could.


I found the manuscript extremely well written . . .  I actually love the way (the book) interweaves the history and personalities of the scientists with the actual science.  Having read many, many relativity books . . . I find Mr. Egdall’s book is one of the most complete survey books I have seen . . . If you only read one book on special and general relativity, this is the one to read.

                                             - Dr. James Webb, astrophysicist                                                Director SARA Observatory                                                         Florida International University  

Here’s my general blanket evaluation of your book. It’s terrific. Extremely well written, understandable, and displays a logical and clear development and explication of some of the most hard-to-understand ideas in the world . . . I can see you have a considerable talent for explaining erudite concepts to the lay reader in clear and concise writing.

                                                      - John DeChancie, Author,                                                            Science Fiction, Fantasy,                                                         and Non-fiction                          

This is a great book! Egdall’s writing style is excellent. It is casual and often humorous. He explains complex concepts with patience and clarity. . . I greatly enjoyed his tracking of Einstein through the perils and triumphs of his life. Egdall showed that learning the history helps us understand the theory.   

                                         - Darold Rorabacher, mathematician,
Vice President, BAE SYSTEMS (retired)

Great book! Most of all, I'm impressed with Egdall’s scholarship and the level of research.                                                                                                      - Joel Bacher, astronomy instructor,                                               Bucks County Community College

Excellent writing. Really well-done.  Nice discussion of the twins paradox.                                                 

                                                   - Dr. Victor Bennett, physicist,                                                      Goodrich Optical Systems