موسوعة العلمـاء و المخترعين .. المخترعون بالترتيب حسب اسم الشهرة .. الحرف ٤_أ

Encyclopedia of Scientists and Inventors..the inventors in order according to their nickname..the letter 4_a

Astanain, August Von
Essenwein, August Von

German architect and historian (1831-1892)
In addition to his aforementioned work as a historian, Esenwein became famous, and he took charge of the German Museum in Nuremberg.

⏹ Agassiz, Alexandre Emmanuel
Agassiz, Alexander Emanuel

American naturalist (1835-1910)
Agassiz learned at Harvard, then accepted engineering and became an engineer · He invented and designed a submarine to explore the ocean floor, and he was interested in marine animals in the deep environment.

Aveling, Thomas

British inventor (nineteenth century)
Effling was a pioneer in the manufacture of tractors and rollers (road leveling mechanisms). He was also famous for inventing steam engines whose fame exceeded the "Kent" region in Britain, which witnessed a tangible development in the manufacture of steam mechanisms.

⏹ Alter "David Alter."

American physicist (years 1807 - year 1881)
He is an inventor and a physician, but he is best known as a physicist. He is one of the first researchers on the topic of spectrum. Discover that each element has its own spectrum. He pointed out the necessity of using the spectrometer in astronomical studies.

⏹ Alto, Alvar Alvar Aalto

Finnish architect (1899 - )
Aalto was famous as an architect, furniture designer, and engineer of practical and suitable buildings for industrial facilities. Among his most prominent works are the Sunila laboratories in Kotka (Finland), hospitals, libraries, theaters and stores. He also excelled in designing buildings. own. He immigrated to America in the forties and worked with his wife, engineer Aino, in urban designs.

⏹ Elster, Julius Elster, Julius

German physicist (years 1854 - 1920)
He participated with Geitel in producing the first photoelectric cell and developed a number of devices, including the photoelectric light meter and the Tesla transformer.
He presented, jointly with Geitel, important studies on the electricity of weather and rain.

⏹ Anacharsis Anacharsis

Greek philosopher from Sinai.
He visited Athens and got acquainted with the philosopher Solon. He wrote a number of letters. • He invented the anchor (the anchor), which is still used to stabilize anchored ships.

⏹ Antoine, Jacques Denis
Antoine, Jacques Denis

French architect (1733 - 1801)
Antoine was famous for the buildings he built in Paris, the most prominent of which was the Mint. Its style was distinguished by the harmony between the design of the facility and the purpose for which it was established, with the emergence of the aesthetic aspect.

⏹ Angström, you're Johann
Angstrom, Count Johan

Swedish physicist (1857-1910), son of Anders Engstrom, taught physics at Uppsala University in Sweden.
He is best known for his invention of the solar radiation measuring device with electrical compensation. He also invented other devices for imaging the infrared spectrum, tracking the sun's thermal radiation in his studies.