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“The best science writer of his generation.”
Joel Achenbach, The Washington Post
“Perhaps the best popular science writer in the English language today.”
Frederick Pratter, The Christian Science Monitor
“A master expositor.”
William Sheehan, Astronomy magazine
“One of the very top ‘explainers’ around—in my opinion better even than those titans of the past, Eddington and Jeans.”
Hugh Downs, ABC News
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