John Ambrose Fleming
Greater Seattle Area,United States
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Sir John Ambrose Fleming was a distinguished English electrical engineer and physicist. He is best known for inventing the first thermionic valve or vacuum tube, the diode, in 1904, which he called the oscillation valve (later known as the Fleming valve). This invention was a crucial component in the development of early radio receivers and electronics, effectively marking the beginning of the age of electronics. Fleming served as a scientific advisor to companies like Marconi's Wireless Telegraph Company and was a professor at University College London. His work laid the groundwork for countless technological advancements in the 20th century.
Professional Summary
John Ambrose Fleming's work history includes a series of influential roles in various companies. Here is a detailed list of his professional journey:
Notable Achievements
Invention of the Thermionic Valve (Fleming Valve/Diode)
In 1904, invented the first practical vacuum tube, a two-electrode device (diode) that could detect radio waves and convert alternating current to direct current. This was a foundational development for radio technology and modern electronics.
Knighthood
Knighted in 1929 for his significant contributions to science and engineering.
Hughes Medal
Awarded by the Royal Society in 1910 for his original discoveries in physical science, particularly electricity and magnetism or their applications, recognizing his work on electrical measurements and the thermionic valve.
Faraday Medal
Received the IEE Faraday Medal in 1928 for his contributions to electrical engineering, particularly his invention of the thermionic valve.
Albert Medal (Royal Society of Arts)
Awarded in 1921 for his role in the introduction of wireless telegraphy and his invention of the thermionic valve.
Educational Background
Business Administration and Management, General
University of Washington - Year 1992
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Company Overview
United Franchise GroupUnited Franchise Group (UFG) is a global leader for entrepreneurs, home to a family of affiliated brands and consultants. With over 35 years of experience in the franchising industry, UFG provides resources, support, and a proven business model to help individuals achieve their dreams of business ownership across various sectors. Their portfolio includes well-known brands in signage, business services, food, and retail.
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