Widely recognized as one of the two important pioneers of the personal computer revolution, Steve Wozniak is credited with co-founding Apple Inc. along with Steve Jobs. Not surprisingly, he has been described as one of the men that changed the course of history through technology. Apart from being a programmer and technology entrepreneur, Steve Wozniak is also a well-known philanthropist.
Satya Nadella is an Indian-American business executive, currently serving as the chief executive officer of Microsoft. Since he became CEO, the company has seen a 27% annual growth rate. Born in India to a Telugu-speaking family, Nadella serves as an inspiration to millions of Indians who nurse 'The American Dream'.
N. R. Narayana Murthy is an Indian businessman who is credited with co-founding one of the most popular and successful Indian multinational corporations, Infosys. While Fortune magazine named him as one of the 12 greatest entrepreneurs of our time, Time magazine called him the father of the Indian IT sector. Murthy serves as an inspiration to aspiring businessmen in India.
Scottish civil engineer Thomas Telford had begun his career as a mason at 14, having lost his father in infancy. A self-taught architect, he was responsible for building many structures, including the Caledonian Canal and the Menai Suspension Bridge. Named The Colossus of Roads, he symbolized the Scottish Enlightenment.
Scottish inventor, electrical engineer, and innovator, John Logie Baird, is best known for demonstrating a working TV system in 1926. He then went on to invent the first viable purely electronic color TV picture tube and founded the Baird Television Development Company. He was inducted into the Scottish Engineering Hall of Fame in 2015.
Computer-game developer John Carmack introduced pioneering innovations in the 3-D game arena. He specializes in first-person shooter games, such as Quake and Doom. The id Software founder had spent a year in a juvenile home and had later dropped out of university to become a freelance programmer.
English theoretical physicist and Nobel laureate Paul Dirac OM FRS, counted among leading physicists of the 20th century, made fundamental contributions in the early development of quantum electrodynamics and quantum mechanics. He derived the Dirac equation while the modern theory of antimatter began with one of his papers. His book The Principles of Quantum Mechanics remains an influential monograph on the subject.
The first person to walk on the Moon, Neil Armstrong was an astronaut and aeronautical engineer. Prior to his trip to the Moon, he became NASA's first civilian astronaut to fly in space. After resigning from NASA, he taught in the Department of Aerospace Engineering at the University of Cincinnati. He was a Presidential Medal of Freedom awardee.
11 Gene Kranz
12 Henri Fayol
Henri Fayol was a French mining engineer, author, mining executive, and director of mines. He is credited with developing a theory of business administration called Fayolism. Along with Frederick Winslow Taylor, Henri Fayol is credited with founding modern management methods.
Former IBM CEO Ginni Rometty was named to the World's Top 50 Women in Tech by Forbes in 2018. She led IBM through its conversion to a leading data company. The Northwestern University alumna has also earned the Edison Achievement Award. She became part of Time 100 in 2012.
14 Tim Schafer
Demis Hassabis is a British neuroscientist, artificial intelligence (AI) researcher, entrepreneur, and video game designer. He is credited with co-founding DeepMind for which he is currently serving as the chief executive officer. Over the years, he has won several prestigious awards, such as the Mullard Award. In 2017, he was named among the 100 most influential people in Time 100.
17 Alan Mulally
19 Henry Ford
Business magnate and founder of the Ford Motor Company, Henry Ford is credited to have made the automobile an accessible conveyance for Americans in the 20th century. Following the success of his company, he became one of the richest and best-known people in the world. He also became known for his pacifism during the first years of World War I.
Soviet chess player Mikhail Botvinnik was a three-time World Champion. At 14, he defeated the reigning world champion José Raúl Capablanca in an exhibition match. He was also a skilled computer engineer. He adopted a scientific approach to chess and penned several books on chess, too.
A consumer electronics pioneer, entrepreneur Clive Sinclair began his business venture selling radio and amplifier kits. He went on to launch the word’s first pocket calculator and later also worked on products such as digital watches and pocket TV. He is a fan of poker and is a Mensa member.
25 Sonu Sood
Aviation pioneer and aircraft designer Geoffrey de Havilland is best remembered for his double-engine warplane Mosquito and the jet airliner Comet. He was part of the Royal Flying Corps and had been knighted for his achievements. He was also the founder of the De Havilland Aircraft Company.
29 Elisha Gray
30 Bob Behnken
NASA astronaut Bob Behnken has also served as a colonel in the U.S. Air Force. He was the mission specialist on both the STS-123 and STS-130 space flights. The Air Force Achievement Medal winner is married to astronaut K. Megan McArthur. He also holds a radio license.
31 Stuart Roosa
Pierre Schaeffer was a French composer, musicologist, writer, engineer, broadcaster, and acoustician. Schaeffer is credited with founding Groupe de Recherche de Musique Concrète. Schaeffer's innovative work in communications, acoustics, and literature as well as his anti-nuclear activism earned him widespread recognition. He is widely regarded as one of the most influential electronic musicians of all time.
35 Xeni Jardin
The son of a mechanical engineer, John Hopkinson followed in his father’s footsteps. Remembered for his research on alternating current, the British engineer and physicist developed the three-wire system for distributing electricity. He died in a mountaineering accident in the Alps, along with three of his six children.
39 Rupert Neve
A pioneer in the design of audio recording equipments, Arthur Rupert Neve began his career designing public address systems, recording speakers and singers on lacquer discs. He later started his own business, designing analog recording and audio mixing equipments, .establishing Neve Electronics, Focusrite, AMS Neve, and finally Rupert Neve Designs. Many of his long-discontinued products are now considered collectors' items.
40 Felix Wankel
Integrity of French statesman Marie François Sadi Carnot led him to get elected as fourth president of the Third French Republic. He assumed office in 1887 at a critical juncture when the republic was almost openly attacked by General Boulanger. Carnot served as the President of France until he was assassinated by Italian anarchist Sante Geronimo Caserio in 1894.
42 Cleve Moler
43 Luigi Colani
45 Alfred Aho
Alfred Aho is a Canadian computer scientist. He is best known for his work on compilers, programming languages, and related algorithms. He is the author of several popular textbooks on the art and science of computer programming. Along with his long-time collaborator Jeffrey Ullman, he was awarded the 2020 Turing Award, one of the most prestigious awards in computer science.
Canadian astronaut Robert Thirsk made history when he became the first person to receive a degree from space when he was awarded an honorary degree while on a space mission. He also boasts of an MIT Sloan MBA. A mechanical engineer, he had initially also studied medicine.
49 Ludvig Nobel
50 Gerald Carr
Mechanical and aeronautical engineer Gerald Carr is best remembered for commanding the Skylab 4 mission, which proved that it was possible for humans to live in space for a long period of time. He and his crew also studied Comet Kohoutek. He later formed a company that assisted in space station designing.