Elsa Einstein

Elsa Einstein
Elsa Einstein in 1929.
Born	(1876-01-18)January 18, 1876 Hechingen, Germany
Died	December 20, 1936(1936-12-20) (aged 60) Princeton, New Jersey, U.S
Cause of death	Heart and Kidney Problems
Residence	Germany (1876-1932) USA (1933-1936)
Nationality	German
Other names	Elsa Lowenthal
Known for	Being the second wife and cousin of Albert Einstein
Spouse(s)	Max Löwenthal (m. 1896–1908) Albert Einstein (m. 1919–36)
Children	Ilse Lowenthal Einstein (1897–1934) Margot Lowenthal Einstein (1899-1986)
Parent(s)	Rudolf Einstein; Fanny (née Koch)
Relatives	Hermann Einstein (father-in-law; first cousin, once removed) Pauline Koch (mother-in-law; aunt)
Notes
"I know very well what a talented physicist our Albertle is." Einstein’s cousin Elsa in a conversation with Philipp Frank, about 1917.

Elsa Einstein (January 18, 1876 – December 20, 1936) was the second wife and first cousin of Albert Einstein. Elsa had the surname of Einstein at birth, lost it when she took the name of her first husband Max Löwenthal, and regained it in 1919 when she married her cousin Albert.

Elsa, the daughter of Rudolf Einstein, was born in Hechingen in January 1876. She had two sisters; Paula (c. 1878–c. 1955) and Hermine (1872–1942). Rudolf was a textile manufacturer in Hechingen. During the regular visits with the family in Munich, she often played with her cousin Albert. In her Swabian dialect, she called him "Albertle". The two parted ways in 1894, when Albert left Germany to follow his family to Milan.

In 1896, Elsa married textile trader Max Löwenthal (1864–1914), from Berlin, with whom she had three children: daughters Ilse and Margot and a son who was born in 1903, but died shortly after birth. They lived together in Hechingen. In 1902, Max Löwenthal took a job in Berlin. His family stayed in Hechingen. She divorced Max on May 11, 1908, and moved with her two daughters to an apartment above her parents on Haberlandstrasse 5, in Berlin.

She began a relationship with her cousin Albert Einstein at Easter 1912, while Albert was still married to his first wife, the physicist Mileva Marić. Einstein's divorce from Maric was final on February 14, 1919, and Elsa married him three and a half months later, on June 2, 1919.

Elsa's and Albert's mothers were sisters, which made Elsa and Albert first parallel cousins, and their fathers were first cousins. Ilse and Margot, Albert Einstein's first cousins once removed, had already changed their surname to Einstein and were now also his stepdaughters.

With daughters Ilse and Margot, the Einsteins formed a close-knit family. Although Albert and Elsa did not have any children of their own, Albert raised Ilse and Margot as his own. They lived in the Berlin area, also having a summer house in Caputh in nearby Potsdam.

Elsa spent most of her marriage with Albert acting as gatekeeper, protecting him from unwelcome visitors and charlatans. She also was the driving force behind building their summer house in 1929.

In 1933, Albert and Elsa Einstein emigrated to Princeton, New Jersey, USA. In autumn 1935, they moved to a house at 112 Mercer Street, bought that August, but shortly afterwards Elsa developed a swollen eye and was diagnosed with heart and kidney problems. When Elsa was diagnosed, Einstein decided to spend much of his time in his studies. It was stated in Walter Isaacson's book, Einstein: His Life and Universe, that he believed "strenuous intellectual work and looking at God's nature are the reconciling, fortifying yet relentlessly strict angels that shall lead me through all of life's troubles" This quote explains how Einstein would escape from all the troubles that were occurring, by focusing on work that would distract him instead of thinking about Elsa dying. Einstein was very upset about Elsa being diagnosed. Elsa wrote that Einstein would "wander around like a lost soul" which showed how tough it was for Einstein dealing with Elsa's illness. When Elsa died, Einstein was heartbroken. It was even said by his friend Peter Bucky that Einstein cried, when Peter never even saw him shed a tear throughout his time knowing Einstein. Elsa died after a painful illness on December 20, 1936, in the house on Mercer Street.