Shiva Ayyadurai is an Indian-American engineer, scientist, and entrepreneur. He gained recognition after claiming to be the inventor of email, which is widely disputed even today. His claim is based on a software called EMAIL, which he wrote while studying at Livingston High School in the late-1970s. He is also known for his unfounded medical claims, including treatments for COVID-19.
Edwin Howard Armstrong was an American inventor and electrical engineer. He is credited with developing the superheterodyne receiver system as well as the frequency modulation (FM) radio. During his illustrious career, Armstrong received several awards including the IEEE Medal of Honor, Franklin Medal, and Edison Medal. He was inducted into the National Inventors Hall of Fame in 1980.
Alan Parsons is an English musician, audio engineer, record producer, and songwriter. He is credited with forming a rock band named The Alan Parsons Project. Over the years, Parsons has won many prestigious awards including a Grammy Award for Best Immersive Audio Album. In the 2021, Parsons was made an OBE for services to music production and music.
Computer programmer and entrepreneur Shawn Fanning revolutionized the world of information technology by developing a program that let users share MP3 copies of music from their personal computers with others on the internet. His invention led to the formation of Napster and got him featured on the cover of Time.
Ross Brawn is a British Formula One technical director and managing director. A former Formula One team principal, Brawn is widely regarded as the mastermind behind Michael Schumacher's record seven World Drivers' Championship titles. Also known for his charity work, Brawn came up with the Brawn Lifeboat Challenge in order to raise money for a new lifeboat for River Thames.
10 Jack Fisk
11 Chris Metzen
12 Tommy Rettig
John Ambrose Fleming was an English electrical engineer and physicist. He is known for inventing the first thermionic valve or vacuum tube and designing the radio transmitter with which the first transatlantic radio transmission was made. Along with Douglas Dewar and Bernard Acworth, he helped establish the Evolution Protest Movement. Fleming was also a noted photographer and artist.
Eugene Stoner is largely remembered for developing the ArmaLite AR-15 rifle, which was a forerunner of the M16 rifle used by the American military. Though he didn’t have any formal education beyond high school, Stoner, like his Russian counterpart, Mikhail T. Kalashnikov, revolutionized the arms industry with his inventions.
15 Lei Jun
17 Hans Reiser
19 Andrew Gower
Best known as Cutler from the series Being Human, Andrew Gower also impressed his fans with his performance as “Bonnie Prince” Charles Edward Stuart in Outlander. A prominent stage actor, too, he has been part of many Oxford School of Drama productions. He has also experimented with a music career.
21 Kai-Fu Lee
Kai-Fu Lee is a computer scientist, writer, and businessman. One of the Chinese internet sector's most important figures, Lee is credited with creating a website called Wǒxuéwǎng, which aims at helping young people achieve in their respective careers. Also popular on social media, Lee is one of China's most-followed micro-bloggers; he has more than 50 million followers on Sina Weibo.
23 Macky Sall
American television personality Michael Teutul started working at his family company Orange County Iron Works at age 14. He worked as assistant general manager of Orange County Choppers, founded by his father Paul Teutul Sr., but was eventually forced out. Michael is known for his features in TV shows like American Chopper and American Chopper: Senior vs. Junior.
The founder of the Armstrong Whitworth manufacturing company, William George Armstrong, also known as Baron Armstrong, redefined the design of guns and also invented the high-pressure hydraulic mechanism. Initially a lawyer, he later quit his practice to devote more time to engineering. He was also knighted for his feats.
27 John Chard
Royal Engineers army officer John Chard was one of the 11 men to receive the Victoria Cross for defeating a Zulu army of 4,000 warriors at the battle of Rorke's Drift, with a British army of 135. His handwritten account of the war was later auctioned off for £175,000.
28 Karl Benz
Karl Benz was a German engine designer, automotive engineer, and entrepreneur. He designed the Benz Patent Motorcar, for which he received a patent in 1886. He studied mechanical engineering at the University of Karlsruhe before venturing into developing motorcars. His Benz Patent Motorcar is widely regarded as the world's first production automobile.
29 Harley Earl
Federico Faggin is an Italian-American engineer, physicist, inventor, and entrepreneur. He designed the first commercial microprocessor, the Intel 4004. He is also the creator of the self-aligned MOS (metal–oxide–semiconductor) silicon-gate technology (SGT). As an entrepreneur, he co-founded Zilog, a company dedicated to microprocessors. He is the recipient of the 2009 National Medal of Technology and Innovation.
Mechanical engineer Joseph Whitworth is best remembered for devising the British Standard Whitworth system for screw threads. He contributed a lot to the development of Owens College, introduced a scholarship, and left most of his fortunes to the people of Manchester. He was also made a baronet of the U.K.
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José Napoleón Duarte was the president of El Salvador during the tumultuous years of the Salvadoran Civil War and had witnessed mass killings of civilians by the army. Though he was supported by the U.S., he failed to remove poverty from his country and ended up being ousted by ARENA.
36 Marie Bashir
41 Lars Onsager
45 Gustaf Dalén
Gustaf Dalén was an industrialist, engineer, and inventor. The AGA cooker and the Dalén light are among his most prominent inventions. He was a long-term CEO of the AGA company. He received over 100 patents during his lifetime. He received the Nobel Prize in Physics in 1912 for his invention of a special kind of automatic regulator.