Einstein Likely Never Said One of His Most Oft-Quoted Phrases

The great scientist certainly regretted introducing the "cosmological constant" into his equations, but calling it his "biggest blunder"? Not so much, it seems.
Albert_Einstein_Head-2-650.jpgWikimedia Commons/Rebecca J. Rosen

On the list of tales we like to tell about Albert Einstein, the story of his "biggest blunder" is near the top. It begins with a problem that was bugging Einstein: How could his theory of general relativity be true and, yet, the universe stable? If his theory was right, the universe would have collapsed -- it could not possibly remain fixed, as physicists at the time believed it was.

To make his equations work, in 1917 Einstein introduced an additional term into them, expressed by the Greek letter lambda (ƛ) -- the "cosmological constant." The new term represented a repulsive force that would counter gravity's attraction, leaving the universe intact.

But in the years that followed, evidence mounted that the belief in the universe's motionlessness was wrong: The universe was, in fact, expanding. Had Einstein stuck with the equation before him, he might have been the one to intuit this central feature of the cosmos, but instead he concocted a contrivance in order to preserve a false assumption. Einstein, the story goes, called it the "biggest blunder" of his entire life, and that phrase (or close variations of it) has been repeated thousands of times, in books and journal articles across the disciplines.

The only problem is: Einstein may never have uttered the phrase "biggest blunder."

Astrophysicist and author Mario Livio can find no documentation that puts those words into Einstein's mouth (or, for that matter, his pen). Instead, all references eventually lead back to one man, physicist George Gamow, who reported Einstein's use of the phrase in two sources: his posthumously published autobiography My World Line (1970) and a Scientific American article from September 1956.

This, for reasons Livio recounts in detail in his new book Brilliant Blunders, is some seriously thin sourcing. For one, Gamow, brilliant physicist though he might have been, had a bit of a reputation for, shall we say, antics. Once, for example, Gamow had teamed up with a student of his named Ralph Alpher to write a paper. "He then realized," Livio told me, "that if he were to add as a co-author another known astrophysicist, whose name was Hans Bethe, then the three names would be Alpher Bethe Gamow, like alpha beta gamma, even though Hans Bethe had nothing to do with that paper." (His first wife, Livio writes, once remarked, "In more than twenty years together, Geo has never been happier than when perpetuating a practical joke.")

Knowing this about Gamow made Livio suspicious. What are the chances that Gamow, this ham, was retelling Einstein's confession with veracity? Not good, Livio found.

Livio looked at almost every single paper that Einstein ever wrote, including making a trip to the Einstein archive in Jerusalem to look at the collection personally. "And nowhere did I ever find the phrase 'biggest blunder', " Livio told me. "I didn't find it -- anywhere."

So he turned his attention to the correspondence between Einstein and Gamow, and it is at this point that Gamow's story begins to look even worse. "When might Einstein have used this expression with Gamow?" Livio writes in the book. As Gamow tells it in his autobiography, he and Einstein were quite close, with Gamow visiting the aging scientist every other Friday as the liaison between the Navy and Einstein during World War II. "He describes what good friends they were, how Einstein would greet him in one of his soft sweaters, and so on," Livio explains.

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Rebecca J. Rosen is a senior editor at The Atlantic, where she oversees the Business Channel. She was previously an associate editor at The Wilson Quarterly.

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