John Ambrose Fleming
![John Ambrose Fleming](/assets/img/authors/john-ambrose-fleming.jpg)
John Ambrose Fleming
Sir John Ambrose Fleming FRSwas a British electrical engineer and physicist. He is known for inventing the first thermionic valve or vacuum tube. He is also famous for the left hand rule. He was born the eldest of seven children of James Fleming DD, a Congregational minister, and his wife, Mary Ann, at Lancaster, Lancashire and baptised on 11 February 1850...
NationalityEnglish
ProfessionInventor
Date of Birth29 November 1849
John Ambrose Fleming quotes about
ideas waiting genius
We are apt to consider that invention is the result of spontaneous action of some heavenborn genius, whose advent we must patiently wait for, but cannot artificially produce. It is unquestionable, however, that education, legal enactments, and general social conditions have a stupendous influence on the development of the originative faculty present in a nation and determine whether it shall be a fountain of new ideas or become simply a purchaser from others of ready-made inventions.
imagination evolution theory
The evolution theory is purely the product of the imagination.
theory-of-evolution world manifestation
The theory of evolution is totally inadequate to explain the origin and manifestation of the inorganic world.