Famous scientists: Little-known but amazing scientists


Whose name do you think of when you think of a famous scientist?

I'd like to introduce three amazing scientists who are hard to name.

Imagine what you've done and read it!


Leonardo da Vinci

1452 – 1519 (Italy)

He is famous as an artist, such as the Mona Lisa at the Louvre, but there are about 15 existing paintings.

From a young age, he has been interested in various fields while expressing his talents in painting and sculpture.

His notes have notes on all disciplines, and the explanations are for some reason in mirror text.

Wikipedia introduces music, architecture, cooking, mathematics, geometry, physiology, histology, anatomy, natural history, flora and fauna, mineralogy, astronomy, meteorology, geology, geography, physics, chemistry, optics, mechanics, engineering, flight mechanics, aerodynamics, automotive engineering, materials engineering, civil engineering, military engineering, etc.

He was also famous as an inventor, and devised helicopters, tanks, diving clothes and bearings.

In anatomy, he also conducts very precise sketches, pioneering the golden ratio and biomechanics.

Henry Cavendish

1731 – 1810 (United Kingdom)

I devoted my enormous heritage to my research, but I hardly announced the results.

Therefore, many laws have names other than him, and only leave a name for experiments with a little universal attraction.

He was a member of the Royal Society for 50 years and participated in the meeting, but he hated extreme people (especially women).

Let the servants put the dishes in front of the door, and if you are unlucky to meet them, you'll be fired.

Discoveries during our lifetime include "discovery of hydrogen", "synthesis of water", and "measurement of the density (universal pull) of the earth"

After death, it was discovered that "the relationship between temperature and vapor pressure", "Ohm's law", and "Coulomb's law".

If he had announced the results at once, it is said that electromagnetism has advanced a little more.

Fritz Harbour

1868 – 1934 (Germany)

The three major fertilizers used in growing crops are nitrogen, phosphoric acid, and potassium.

Human beings could not use nitrogen in the air as fertilizer, so they grew legumes.

(Because a microorganism called rhizobia that coexists with legumes was able to take in nitrogen in the air))

However, due to population growth, food production could not be made in time, and nitrogen fixation was urgently needed.

We used nitric acid imported from Chile, but there was concern about resource depletion.

The Haber Bosch Method, which extracts large amounts of nitrogen in the air as ammonia, has been established.

While contributing to food shortages in Europe, we are also involved in the development of poisonous gases such as chlorine.

Which was the more man he saved or the one who killed him?

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