موسوعة العلمـاء و المخترعين .. المخترعون بالترتيب حسب اسم الشهرة .. الحرف ٦_أ

Encyclopedia of Scientists and Inventors..the inventors in order according to their nickname..the letter 6_a

⏹Eard, Sir John, Bart
Aird, Sir John, Bart

British engineer and contractor (years 1833 - 1911)
A prominent man in his field and on a global scale, and it is mentioned that he built the Aswan Dam in 1902 in Egypt, and other huge construction works.

⏹ Eastman, George

American inventor (years 1854 - 1932)
He had many important inventions in the field of photography. Perhaps one of the most important of them is the invention of the regular tape film as a substitute for plates. He also invented the famous camera called Kodak. He was able to collect a large fortune in glass bottles, reaching sixty million pounds. · He suffered from a long-term incurable disease. · He died by suicide.
(see Eiffel).

⏹ Ives, Frederic Eugene
Ives, Frederick Eugene

American inventor (1856 - 1937)
Ives was a specialist in the field of voting, especially on metals and color photography, in addition to his preoccupation with printing · He is credited with inventing a method for engraving on metallic materials using the half-tone principle (i.e. shades of gray between white and black), which became widely used. He was also the first to make three-color images (based on half-tone), then he came up with a way to photograph in natural colors. In addition, Ives invented a short, monocular, binocular microscope, and invented a photochromoscope.

His son, Herbert Eugene (1882-1853), was influenced by him, so he grew up as a physicist and worked in Bell Telephone laboratories. He was an argument in lighting engineering.
He has significant achievements in the field of transmitting television images through wires.

⏹ Eiffel Alexander Gustave
Eiffel, Alexandre Gustaf

French structural engineer (years 1832 - year 1923)
He is the first to use compressed air in the construction of bridges. He has huge engineering achievements, including the famous tower named after him in the center of Paris: the Eiffel Tower, as well as the iron barriers (Always) used in the Panama Canal • He died by suicide.
- The Eiffel Tower in Paris (after the engineer Alexander Gustave Eiffel).

⏹ Eickemeyer, Rudolf

American-German inventor (1831-1891)
Eckmayer was interested in inventing machines that reduce the necessity of manual labor. • He registered more than one hundred and fifty inventions, including: a hat-making machine, a harvesting machine, and electrical machines.
Eckmayer was the discoverer and first employee of Charles C. P. Steinmetz (1865-1923).
The famous electrical engineer and inventor who recorded more than 100 electrical inventions and developed generators and engines.

⏹ Aye, Valentin Haüy, Valentin

French teacher for the blind (1822-1743)
He is the brother of René, the founder of crystallography
Aye Valentin invented raised letters to teach the blind. And the foundations of two institutes for the same purpose.