The Enigmatic Spy Who Captivated a Genius: The Untold Story of Margarita Konenkova and Albert Einstein's Secret Romance
Discover the fascinating and previously hidden love affair between Soviet spy Margarita Konenkova and the legendary physicist Albert Einstein, revealed through personal letters and historical insights.
For decades, the private love life of the renowned German physicist Albert Einstein remained shrouded in mystery until 26 years ago, when Sotheby's auction unveiled his intimate letters. These heartfelt messages were not addressed to any of his former wives but to Margarita Konenkova, the wife of famed Soviet sculptor Sergey Konenkov, who once worked for the NKVD. This article explores how this Soviet spy won the heart of the legendary theoretical physicist, earning the title "Einstein's Last Love."
Margarita Konenkova's life story, as the spouse of the celebrated Soviet sculptor Sergey Konenkov, could easily inspire a thrilling espionage drama. Before World War II, the intellectual couple was recruited by Soviet intelligence and sent overseas to gather secret information about the development of a new nuclear project. The primary mission fell on Margarita's delicate shoulders, as she was fluent in both English and German. While her husband focused on his art, Margarita worked tirelessly to gain the trust of scientists involved in groundbreaking research.
It was only in 1998 that it came to light that during this top-secret assignment, Margarita Ivanova fell in love—not with just anyone, but with Albert Einstein himself. This secret was revealed when a relative of Konenkova, wishing to remain anonymous, handed over her diary, personalized watches gifted by the great scientist, and letters penned by Einstein dated 1945 and 1946 to Sotheby's auction house. The authenticity of these documents was unquestioned, as they bore Einstein's distinctive signature.
"This is the most fascinating discovery in recent times. These letters differ from other surviving correspondences of Einstein because they are deeply open, emotional, and sincere. Such words can only come from someone truly in love," said Sotheby's consultant Paul Needham to The New York Times at the time.
He was the first to conclude that the relationship between Konenkova and Einstein went well beyond mere friendship.
So how did one of the most mysterious romances of the last century unfold, and what became of the woman adored by Sergey Rachmaninoff, Fyodor Chaliapin, and, of course, the creator of the Theory of Relativity?
The Muse and the Master
Margarita Konenkova, née Vorontsova, was born in 1895 into a family of impoverished nobility in the provincial city of Sarapul. Her father, Ivan Timofeyevich Vorontsov, was a sworn attorney, and her mother, Margarita Vasilyevna, was a philanthropist. After completing women's gymnasium, Margarita moved to Moscow and enrolled in Madame Poltoratskaya's law courses. During her studies, she lived in central Moscow on Povarskaya Street with the family of Dr. Ivan Bunin.
Life in Moscow was anything but dull for the sought-after young woman. She quickly integrated into high society and attracted numerous admirers enchanted by her charm. Much of her time was spent at the home of Fyodor Chaliapin, befriending his daughter Irina and accepting the attentions of Boris, the singer's son. Friends expected their union to culminate in marriage, but it never happened.
Rumors suggest that Margarita also caught the eye of Boris's famous father. There are also claims that poet Alexander Blok and composer Sergey Rachmaninoff once fell under her spell.
Though her relationship with Boris Chaliapin did not prosper, Margarita did not despair. Another suitor soon appeared with serious intentions. In 1916, young sculptor Petr Bromirsky proposed to the acknowledged beauty, but this marriage too was destined never to be.

One day, Bromirsky innocently showed a photograph of his 20-year-old fiancée to his colleague, sculptor Sergey Konenkov. The poised young woman with aristocratic features so captivated Sergey Timofeyevich that he asked to be introduced. The renowned sculptor, dubbed the "Russian Rodin," wasted no time and won over Bromirsky's beloved.
"The girl in the photograph was so stunning that she seemed the creation of an unknown artist. Particularly captivating was the tilt of her head and her extraordinarily beautiful hands with slender, elegant fingers—hands I had never seen before!" Konenkov later reminisced as a lovestruck youth.
The feelings were mutual, and the 42-year-old Sergey Timofeyevich officially proposed to 22-year-old Rita. Her guardians, the Bunin family, were shocked by her wish to marry the boisterous and unruly Konenkov. To thwart the wedding, Margarita was sent back to Sarapul, but her suitor was persistent and followed her.
Konenkov believed her parents would be delighted to have such a famous and talented son-in-law. However, the Vorontsov family refused to bless the union due to the social mismatch, which devastated the lovers. Disappointed, Konenkov returned to Moscow and led a reclusive life, rarely leaving his studio. He soon recovered from his depression when his beloved muse defied her parents and joined him.
For the next seven years, Vorontsova lived as Konenkov's common-law wife, muse, and model—she posed for his sculpture "Standing Nude." She did everything to provide a stable environment for her lover and smoothed over his difficult temperament. Rumors suggest Margarita faced serious rivals, including Konenkov's goddaughter Natalia Konchalovskaya, mother of famous directors Andrei Konchalovsky and Nikita Mikhalkov, who allegedly spent much time in the sculptor's studio trying to be helpful.
In 1922, the couple finally formalized their marriage, but they could not enjoy a peaceful life in Moscow for long.
From America with Love
In 1923, the newlyweds traveled to New York, officially to participate in an exhibition of Russian and Soviet art. They were expected to stay only a few months before returning home. However, this brief business trip extended for over two decades, with Margarita and Sergey only returning to Moscow many years later.

Fluent in English, Konenkova quickly adapted to life in the United States. Highly educated, well-read, and strikingly beautiful, she effortlessly integrated into American high society. It was there that her exceptional communication skills emerged—Margarita could engage anyone in conversation. This talent greatly benefited her husband's career, as the Konenkovs constantly organized exhibitions of Sergey’s work. Moreover, she helped find wealthy patrons and assisted during his sculpting process.
Margarita became the best promotion for her husband. The sculptures she modeled for were in high demand, and many men were captivated by the Soviet enchantress with golden curls.
However, the couple's trip to the U.S. had another purpose: it was orchestrated by the NKVD, promising Sergey fame and fortune. Agent "Lucas," the codename assigned to Margarita, was tasked with uncovering all secrets about America's nuclear developments. To achieve this, she had to gain close access to the legendary physicist and mathematician Albert Einstein, who was then working at the Institute for Advanced Study in Princeton.
A Romance with a Genius
Margarita finally met the famed scientist face-to-face in 1935 when Princeton University commissioned Sergey Konenkov to sculpt Einstein's portrait. Naturally, Margarita handled the negotiations. Once arrangements were made, she began cultivating the physicist's trust to extract nuclear secrets.
At the time, Einstein was deeply married to his cousin Elsa Lowenthal, but this did not stop him from flirting with other women. The amorous German, a great admirer of female beauty, often spent nights with women of easy virtue without shame.
"He was remarkably modest, disliked official gatherings, and joked that he was famous for his wild hair. When Sergey worked on the portrait, Einstein was lively and passionately spoke about his theory of relativity. I listened closely but understood little. My attention seemed to encourage him," Konenkova sparsely noted in her diary to avoid suspicion.
People around the Konenkovs were uneasy about Margarita's frequent visits to Princeton, especially since Sergey had been there only once, relying on memory to sculpt the bust. Margarita used her time wisely, befriending not only Einstein but also his wife and stepdaughter Margot.
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Until 1936, Konenkova and Einstein's relationship remained mostly friendly. Everything changed after Elsa's death. The German scientist, who had long harbored feelings for Margarita, confessed his deep and sincere love for her. Their feelings were mutual, and the lovers began meeting regularly. Margarita feared no jealousy from her husband Sergey, confident in his complete trust and that he would not resent Einstein.

To enjoy each other's company discreetly, Einstein wrote Konenkova a letter explaining that his wife was seriously ill and needed regular stays at health resorts. He even attached a doctor's note from a physician he trusted. This allowed Margarita to visit Saranac Lake legally for several weeks, where Einstein rented a cottage and kept his yacht.
Their relationship was far from a mere fling. Einstein loved Konenkova, as evidenced by his tender letters and a sonnet dedicated to her:
You cannot escape the family circle
Our shared misfortune.
Through the sky inevitably
And truthfully, our future shines.
The head buzzes like a hive,
The heart and hands are exhausted…
You say you love me,
But it is not so.
I call upon Cupid’s aid,
To persuade you to be merciful to me.
It remains unclear whether Einstein knew that his beloved was a Soviet intelligence agent and that he himself had been their informant for nearly a decade. However, in the summer of 1945, the pieces fell into place: the Americans conducted their first nuclear tests, which Soviet authorities had foreknowledge of thanks to their intelligence network. The Konenkovs were urgently summoned home, with Stalin himself ordering a ship to transport Sergey’s artworks.
Before departure, Margarita had one last mission: to arrange a meeting between Einstein and a certain Consul Mikhailov, who would facilitate the couple's return to the USSR. The physicist agreed to this scheme for the sake of his beloved's safe passage.
In August 1945, Einstein and Konenkova parted ways forever. As a farewell gift, he presented her with personalized watches she treasured until her death.
By September, Sergey and Margarita were back in Moscow. Yet, Konenkova and Einstein continued their correspondence until his death in 1955. In his letters, Einstein vowed never to love another woman as deeply as he loved Margarita. He clung to hopes of reunion until the end. When diagnosed with an aortic aneurysm, he even refused surgery that could have prolonged his life, unable to envision existence without his beloved.
Life After Einstein
Upon returning home, the Konenkovs faced public scrutiny, accused of living lavishly in the U.S. during wartime. Rumor has it that Margarita wrote to Lavrentiy Beria, pleading for protection from unjust attacks, asserting their service to the motherland.
In Moscow, Margarita withdrew from social life, focusing on household affairs. Despite a 50-year marriage to the sculptor, they had no children; Margarita feared damaging her slender figure admired by many men. With age, her aristocratic beauty faded, and she became anxious about weight gain. She grew increasingly nervous, convinced she was terminally ill, bedridden despite doctors finding no cause.
Sergey Timofeyevich passed away in 1971 at age 98, after which Margarita lost interest in life. In her final years, she suffered abuse from her housekeeper, who stole valuables, fed her from newspapers, and forced alcohol consumption.
Her last years resembled a nightmare come true. Margarita Ivanovna died of exhaustion in 1980. Whether her decline was due to starvation imposed by her caretaker or self-neglect remains a mystery. Before her death, she asked her nephew to burn her archive containing love letters from Albert Einstein.
Photo credit: Getty Images
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