2 Chamath Palihapitiya(Founder and CEO of Social Capital)
3 Ferdinand Porsche(Founder of Porsche Automobile Company)
Ferdinand Porsche was an Austrian-German automotive engineer. He is credited with founding one of the most popular car companies in the world, Porsche AG. He is also credited with creating the Lohner-Porsche mixed hybrid, the first gasoline-electric hybrid vehicle. During World War II, Porsche was a prominent contributor to the German war effort.
4 Charles F. Kettering(Inventor, Engineer & Businessman)
Charles F. Kettering was an American engineer, inventor, and businessman. Kettering is credited with founding Delco Electronics Corporation. Holder of 186 patents, Kettering is also credited with the invention of Freon refrigerant for air conditioning and refrigeration systems. Over the course of his career, Charles F. Kettering won prestigious awards like the IEEE Edison Medal, Hoover Medal, and Franklin Medal.
5 Bernhard Caesar Einstein(The son of Hans Albert Einstein)
Swiss-American physicist and engineer Bernhard Caesar Einstein was better known as the only grandchild of Albert Einstein to have survived beyond childhood. While two of his biological brothers died in infancy, his parents adopted a girl child, too. He grew up to work on night vision and laser technology.
6 Fritz Todt(Engineer, Politician, Civil engineer, Architect)
Fritz Todt was a German civil engineer and architect. A senior Nazi, Todt oversaw the construction of Reichsautobahnen, a controlled-access highway, and also served as the Reich Minister for Armaments and Ammunition. Before the start of the Second World War, Todt initiated a military-engineering company called Organisation Todt that oversaw the construction of many Nazi concentration camps.
7 Sergei Krikalev(Cosmonaut)
8 John McCarthy(Mathematician, Computer scientist, Engineer, University teacher)
9 Ettore Bugatti(Automobile Designer)
Ettore Bugatti was an automobile designer and manufacturer. He is credited with founding the popular car manufacturer Automobiles E. Bugatti, which gained prominence as the maker of some of the fastest and technologically advanced cars of its day. In 2000, Ettore Bugatti was inducted into the Automotive Hall of Fame.
10 Renzo Piano(Architect, Politician)
Pritzker Prize-winning Italian architect Renzo Piano was born into a family of builders from Genoa. His firm Piano and Rogers, was co-established with British architect Richard Rogers. The Renzo Piano Building Workshop worked on a number of museum commissions, most notably those of Menil Collection.
11 Anousheh Ansari(American-Iranian engineer)
12 Konstantin Tsiolkovsky(Aerospace engineer, Rocket Scientist)
Konstantin Tsiolkovsky was a Russian rocket scientist. Credited with pioneering astronautic theory, Tsiolkovsky is widely regarded as one of the founding fathers of astronautics and modern rocketry. His works served as an inspiration to several other Soviet rocket engineers like Valentin Glushko and Sergei Korolev. Hence, Konstantin Tsiolkovsky's work played an influential role in the Soviet space program.
13 David Packard(Entrepreneur, Engineer, Computer scientist)
14 Andrew Grove(Businessman)
15 Godfrey Hounsfield(Developer of X-ray computed tomography)
Nobel Prize-winning British electrical engineer Godfrey Hounsfield is best known for developing the CAT and CT scan techniques along with Allan Cormack. He also led the team that developed Britain’s first all-transistor computer. He was knighted for his achievements, while the measure of radiodensity was named the Hounsfield scale.
16 Pi'erre Bourne(Best known for producing the singles 'Magnolia' by Playboi Carti and 'Gummo' by 6ix9ine)
17 Gregory Jarvis(Engineer, Astronaut, Officer)
18 John Loudon McAdam(Civil engineer, Engineer)
Scottish engineer John Loudon McAdam introduced the world to the macadam road surface, which was more economical and effective than all previous road-construction methods. He suggested that roads should be constructed at an elevated level for better drainage. He also became Britain’s Surveyor-General of Metropolitan Roads.
19 Jade Raymond(Known for helping create the Assassin's Creed and Watch Dogs franchises)
Canadian video-game creator and former Ubisoft executive Jade Raymond is best known for creating the Assassin’s Creed game franchise. Also known for her Watch Dogs games, she has announced the creation of a Montreal-based personal studio, Haven Studios. She has previously worked with Google’s Stadia Games streaming service.
20 Daniel Fredinburg(Google Executive and Climate Activist)
Daniel Fredinburg was an American climate activist, Google executive, explorer, inventor, and entrepreneur. He was credited with co-inventing over 12 software technologies that were recognized and patented by Google. Daniel Fredinburg also served as the head of privacy at Google X before his untimely and tragic death caused by head injuries during an avalanche, at the age of 33.
21 Mark Shuttleworth(Entrepreneur, Astronaut, Engineer, Inventor, Scientist, Blogger, Businessperson, Computer scientist)
Mark Shuttleworth is a South African-British entrepreneur. He is credited with founding Canonical, the company that developed the popular Linux-based Ubuntu operating system. Mark Shuttleworth became the first African from an independent country and the first South African to travel to space; he traveled as a space tourist in 2002.
22 Charles Simonyi(Astronaut, Computer scientist, Engineer, Scientist, Programmer)
A Stanford PhD, Charles Simonyi initially worked on one of the world’s first computers for Xerox. He is best known for developing Microsoft Office. Though he launched his own firm, Intentional Software, he later sold it to Microsoft. Part of the Forbes Billionaires 2021 list, he also donates extensively to educational charitable causes.
23 Osborne Reynolds(Physicist, Civil engineer, Engineer)
Osborne Reynolds is best remembered for revolutionizing the fields of hydraulics and fluid dynamics. Born to a clergy father who was also a mathematician, Reynolds developed an interest in mechanics early in life. Reynolds was the first engineering professor at Owens College, Manchester, and also a Royal Society fellow.
24 Boyd Coddington(Hot Rod Designer and the Owner of the Boyd Coddington Hot Rod Shop)
25 William Mulholland(Civil engineer)
William Mulholland was initially hailed as a hero for building the first aqueduct system of Los Angeles, as the first chief engineer of the Los Angeles Department of Water and Power. He later resigned taking responsibility for the collapse of the St. Francis Dam, which had caused countless deaths.
26 Vagit Alekperov(Entrepreneur, Founder of Vagit Alekperov)
27 Zdravko Krivokapic(Prime Minister of Montenegro)
28 Eugene Chaplin(Recording Engineer)
29 Ilya Salmanzadeh(Musician, Singer)
Ilya Salmanzadeh is a Swedish-Persian singer, songwriter, and producer. He achieved international recognition after co-writing and producing Jennifer Lopez's First Love and Ariana Grande's Problem in 2014. He has also collaborated with other prominent artistes like Beyoncé and Kendrick Lamar. Ilya Salmanzadeh has won many prestigious awards like Teen Choice Award, MTV Europe Music Awards, and MTV Video Music Award.
30 Joe Barton(Politician)
31 Virgilio Barco Vargas(President)
32 Matthew Boulton(Businessperson, Engineer)
British manufacturer and engineer Matthew Boulton is best remembered as the financier of Scottish engineer James Watt’s pathbreaking steam engine. His Soho Manufactory initially produced metal parts, and he later stepped into John Roebuck’s shoes to partner with Watt, after Roebuck went bankrupt. He also established the Soho Mint.
33 Tom Hall(Computer scientist)
34 Yuan Longping(Biologist, Engineer, Inventor)
35 Robert Crippen(Astronaut)
36 William Playfair(Economist, Mathematician, Engineer, Statistician)
Scottish engineer and political economist William Playfair is best-remembered as the inventor of statistical graphs and secret agent for Great Britain during its war with France. He published the first data graphs in his book The Commercial and Political Atlas. He used line, area and bar charts to represent the economy of 18th Century England and introduced the pie chart.
37 Ben Chifley(Politician)
Australian prime minister and Labor Party leader Ben Chifley is chiefly remembered for introducing banking reforms, the expansion of social programs such as immigration schemes, and his light on the hill speech. Born to a blacksmith, he initially worked as a railwayman and then joined politics through trade union movements.
38 Robert H. Dennard(Electrical Engineer)
39 Maher Arar(engineer)
A Syrian engineer who later moved to Canada, Maher Arar made headlines after being detained at the JFK International Airport, on his way to Montreal after a holiday in Tunisia. Suspected of being an Al Qaeda member, he was deported to Syria and tortured, before the government realized its mistake.
40 Bill Stevenson(Musician, Record producer)
41 David Dunbar Buick(Inventor)
David Dunbar Buick was a Scottish-born American inventor best remembered for establishing the popular Buick Motor Company, which went on to become the basis of the General Motors empire. In 1974, Buick was inducted into the Automotive Hall of Fame for his immense contribution to the automobile industry in the United States of America.
42 Sandy Petersen(Game designer)
43 Joe Engle(Officer, Astronaut, Test pilot, Aerospace engineer, Engineer, Aviator)
44 Ed Roberts(American computer pioneer and physician)
45 Heinz Lammerding(Engineer)
46 Squire Whipple(Civil Engineer)
Squire Whipple is remembered for introducing the first scientific bridge construction rules. Initially a surveyor, he later invented truss designs using iron and timber. His treatise An Elementary and Practical Treatise on Bridge Building was a seminal text in railroad engineering for many years and helped in wrought and cast-iron designs.
47 Aleksander Doba(Canoeist)
48 Fob James(Politician)
Apart from being a civil engineer, Fob James was also an entrepreneur, with his own company that manufactured fitness equipment. A talented professional footballer in his younger days, he was also an All-American half-back. He served two terms as the governor of Alabama, once as a Democrat and again, as a Republican.
49 Leon Theremin(Inventor of the First Electronic Musical Instrument 'Theremin')
One of the pioneers of electronic music, Léon Theremin invented the aetherphone, also known as the theremin, which was the first electronic musical instrument to be mass-produced. He also doubled up as a Soviet spy, eavesdropping on the British, French, and US embassies, using the Buran device and The Thing.