Nikola Tesla was a Serbian-American inventor, electrical engineer, mechanical engineer, and futurist who is best known for his contributions to the design of the modern alternating current (AC) electricity supply system.
Thomas Alva Edison was an American inventor and businessman, who has been described as America's greatest inventor. He developed many devices that greatly influenced life around the world, including the phonograph, the motion picture camera, and the long-lasting, practical electric light bulb. Dubbed "The Wizard of Menlo Park", he was one of the first inventors to apply the principles of mass production and large-scale teamwork to the process of invention, and is often credited with the creation of the first industrial research laboratory.
Stephen Gary Wozniak, often referred to by the nickname Woz, is an American inventor, electronics engineer, programmer, philanthropist, and technology entrepreneur who co-founded Apple, Inc.. He and Apple co-founder Steve Jobs are widely recognized as pioneers of the personal computer revolution of the 1970s and 1980s.
Lori Greiner is an American inventor, entrepreneur, and television personality. She is best known as a cast member of the reality TV show Shark Tank and has been called "one of the most prolific inventors of our time.” Also known as "The Queen of QVC" and the “Warm Blooded Shark”. She has also appeared on Shark Tank spin-off, Beyond the Tank. Since 1998, she has appeared on the QVC program Clever & Unique Creations Show. She is also president and founder of the Chicago company For Your Ease Only, Inc., which she established in 1996 and which does product development and marketing. She has invented more than 600 products and helps aspiring entrepreneurs launch theirs. She holds 120 U.S. and foreign patents.
Lieutenant-General Mikhail Timofeyevich Kalashnikov was a Russian general, inventor, military engineer and small arms designer. He is most famous for developing the AK-47 assault rifle and its improvements, the AKM and AK-74, as well as the PK machine gun and RPK light machine gun.
James Watt was a Scottish inventor, mechanical engineer, and chemist who improved on Thomas Newcomen's 1712 Newcomen steam engine with his Watt steam engine in 1781, which was fundamental to the changes brought by the Industrial Revolution in both his native Great Britain and the rest of the world.
Sir James Dyson is a British inventor, industrial design engineer and founder of the Dyson company. He is best known as the inventor of the Dual Cyclone bagless vacuum cleaner, which works on the principle of cyclonic separation. According to the Sunday Times Rich List 2017, his net worth is £7.8 billion. He served as the Provost of the Royal College of Art from August 2011 to July 2017, and opened a new University on Dyson's Wiltshire Campus in September 2017.
Frank Julian Sprague was an American naval officer and inventor who contributed to the development of the electric motor, electric railways, and electric elevators. His contributions were especially important in promoting urban development by increasing the size cities could reasonably attain and by allowing greater concentration of business in commercial sections. He became known as the "Father of Electric Traction".
Philo Taylor Farnsworth was an American inventor and television pioneer. He made many contributions that were crucial to the early development of all-electronic television. He is perhaps best known for his 1927 invention of the first fully functional all-electronic image pickup device, the "image dissector", as well as the first fully functional and complete all-electronic television system. He was also the first person to demonstrate such a system to the public. Farnsworth developed a television system complete with receiver and camera, which he produced commercially in the form of the Farnsworth Television and Radio Corporation, from 1938 to 1951, in Fort Wayne, Indiana.
John Logie Baird FRSE was a Scottish engineer, innovator, one of the inventors of the mechanical television, demonstrating the first working television system on 26 January 1926, and inventor of both the first publicly demonstrated colour television system, and the first purely electronic colour television picture tube.
Eli Whitney was an American inventor best known for inventing the cotton gin. This was one of the key inventions of the Industrial Revolution and shaped the economy of the Antebellum South. Whitney's invention made upland short cotton into a profitable crop, which strengthened the economic foundation of slavery in the United States. Despite the social and economic impact of his invention, Whitney lost many profits in legal battles over patent infringement for the cotton gin. Thereafter, he turned his attention into securing contracts with the government in the manufacture of muskets for the newly formed United States Army. He continued making arms and inventing until his death in 1825.