Histogram from data + associated utilities.

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Histogram of two thousand great mathematicians from Wikipedia. The x-axis is how many years they lived, the y-axis is how many mathematicians lived to reach that age. On the left is Galois, and on the right... Do you know this mathematician?

Wrote

On the left is Galois, and on the right... Do you know this mathematician
?

Galois, I knew. But the oldest kookoo ... Don't know ?
Thanks ... Jean.

Sergey Mikhailovich Nikolsky
As a Mathematician, the oldest known koko !

Wrote

Sergey Mikhailovich Nikolsky
As a Mathematician, the oldest known koko !

When this histogram was constructed (2010), Nikolsky was still alive. https://en.wikipedia.org/wiki/Sergey_Nikolsky
It was one Italian Mathematician with 107 years!
The history of this histogram.
Two of the author’s students could not pass the tests in the courses “Information Technologies” and “Higher Mathematics”. In the end, it was decided to test not their minds, but their hands, to force them to “master” mathematics and computer science, at least in this way. The first student opened Wikipedia pages with information about already deceased mathematicians and dictated to the second student how many years this mathematician had lived. The second student enters this information on the calculation sheet. Based on these data, a histogram was constructed

I consider Euler to be the greatest mathematician. He is buried in St. Petersburg.
Then I accidentally ended up in the Swiss town Riehen not far from Basel.
I remembered that the Euler spent his youth in this town.
I found out where Euler’s house was and drove up to it.
The back of Euler’s head in the bas-relief with the profile of a lion immediately caught my eye. Leonard (Euler's name) is a "steadfast lion"! Has anyone else heard of this encoding of Euler's name on his memorial sign?
Someone stuffed chewing gum into Euler's ear. I wanted to pull it out, but I was afraid that people would think I was putting chewing gum in Euler's ear.