Who has 400 IQ?

When people think of genius, Albert Einstein is usually the first name that comes to mind.
In this post, we explore the lives of some of the smartest people in history, including William James Sidis, Leonardo da Vinci, Marilyn vos Savant, and a child prodigy with a projected IQ of 400!

There is no clear answer to who has the highest IQ.
But it is not Albert Einstein.

These people have an IQ higher than Einstein’s.

Sidis was a child whose IQ, according to the University of Houston, was between 200 and 300.
He graduated from Harvard University at the age of 16.

The famous artist and theorist Da Vinci is estimated to have had an IQ score of 180 to 220.

Savant holds the record for the highest IQ ever, with a score of 228. He was included in the Guinness Book of World Records in 1985. Often called the ‘smartest person in the world’, his intellectual prowess is unparalleled.

There are other people with high IQs.

Sho Yano has the highest IQ.
Who was estimated to have an IQ of around 200 at the age of 10.

Along with Adragon De Mello, whose IQ was estimated to be a staggering 400.
and graduated from the University of California, Santa Cruz at the age of 11.

So, while Albert Einstein was undoubtedly a genius, he doesn’t hold the record for the highest IQ.
From child prodigies like William James Sidis to Guinness record-holders like Marilyn vos Savant.

The world has seen extraordinary minds with astonishing intellectual capabilities — some with IQs nearing 400!

Each of these individuals challenged the limits of human intelligence in unique ways, reminding us that genius can take many forms.
not just in science, but in creativity, problem-solving, and curiosity.

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