Ten 10 lesser-known facts about Albert Einstein

Ten 10 lesser-known facts about Albert Einstein

- March 13, 2025

Here are 10 lesser-known facts about Albert Einstein that reveal intriguing aspects of his life and work beyond his famous theories:

1. He Almost Became a Patent Clerk for Life

In 1902, after struggling to find an academic position, Einstein secured a job at the Swiss Patent Office in Bern.
He evaluated patents for electromagnetic devices, which sharpened his ability to visualize complex physical problems.
Einstein once considered staying at the patent office permanently if his scientific career didn't succeed.

2. He Failed His First Entrance Exam to the Swiss Federal Polytechnic

At age 16, Einstein applied to the prestigious Swiss Federal Polytechnic in Zurich.
He excelled in math and physics but failed the entrance exam due to poor scores in French, chemistry, and biology.
After attending a preparatory school, he passed the exam and was admitted the following year.

3. He Had an Illegitimate Daughter

In 1899, Einstein began a relationship with Mileva Marić, a fellow physics student.
In 1902, before they were married, Mileva gave birth to a daughter named Lieserl.
Little is known about Lieserl’s fate—some speculate she was adopted or died young.

4. His First Wife, Mileva Marić, Helped with His Early Work

Mileva Marić was one of the few women studying physics at the time.
Some historians believe she contributed to Einstein’s early work, particularly his 1905 papers.
After their divorce in 1919, Einstein agreed to give Mileva the Nobel Prize money as part of the settlement.

5. He Was Offered the Presidency of Israel

In 1952, following the death of Israel's first president, Chaim Weizmann, Einstein was offered the ceremonial position of President of Israel.
Though deeply honored, Einstein declined, saying he lacked the "natural aptitude and experience to deal with people properly."

6. He Invented a Refrigerator with No Moving Parts

In 1926, Einstein and his former student Leo Szilard patented a new type of refrigerator.
The refrigerator used no moving parts and relied on changes in pressure and temperature to cool.
Though it never became commercially successful, it influenced later developments in thermodynamics.

7. His Brain Was Stolen and Studied

After his death in 1955, pathologist Thomas Stoltz Harvey removed Einstein's brain without permission.
Harvey preserved and studied the brain, hoping to uncover the secret of Einstein’s genius.
In the 1980s, Harvey published findings that Einstein’s brain had a higher density of glial cells (support cells in the brain).

8. He Had a Poor Memory for Names and Dates

Despite his extraordinary intellect, Einstein often forgot names, dates, and everyday details.
He once famously said, "Why memorize something you can look up?"
He also had difficulty remembering appointments and relied on others to keep him organized.

9. He Wore the Same Type of Clothes Every Day

Einstein avoided wasting mental energy on trivial decisions like choosing clothes.
He wore variations of the same gray suit, white shirt, and no socks to simplify his daily routine.
He believed this minimized "decision fatigue" and allowed him to focus on his work.

10. He Was Monitored by the FBI for Over Two Decades

During the McCarthy era, Einstein was viewed with suspicion for his outspoken political views.
He supported civil rights, opposed nuclear weapons, and was a vocal supporter of pacifism.
The FBI opened a file on him in 1932 and collected over 1,400 pages of information, fearing he might have communist ties.

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