2 Grant Imahara

Grant Masaru Imahara, a Japanese-American electrical engineer, roboticist, television host and actor, began his career at Lucasfilm, where he got involved with several big budget films including Star War franchise. Later, he joined MythBusters as a member of Build Tea and was well-known for his contribution in it. His other important works include White Rabbit Project, BattleBots, Star Trek Continues etc.
3 Julie Payette
4 Jack Parsons

Rocketry pioneer Jack Parsons is best remembered as one of the founders of the Jet Propulsion Laboratory. He also co-established the Aerojet Engineering Corporation and developed the first rocket engine that used a propellant. He was also known for his multiple sexual affairs and sex cult rituals.
5 Toby Fox
Video game developer and composer Toby Fox is best known for developing the video games Deltarune and Undertale. He started composing music for webcomics while still in high school. As a video game developer, he created the video game Undertale independently and also released a number of unused musical tracks from the same.
6 Robert Stephenson

7 George Westinghouse
Inventor and entrepreneur George Westinghouse was mostly responsible for introducing the U.S. to alternating current (AC). Initially part of the army and the navy, the talented engineer began his journey of inventions with the rotary steam engine and went on to invent several products, such as air brakes.
8 William Edwards Deming
Born to a lawyer, William Edwards Deming grew up to become a renowned mathematical physicist and later taught statistics at the New York University. His research focused on the application of statistical methods to improve quality control in various industries. His ideas were later widely used by Japanese corporates.
9 Seymour Cray

10 Fred C Koch
11 Garrett Camp
Tech magnate Garrett Camp made headlines in 2020 when he quit his position of board director of Uber, a company co-founded by him, to focus on its product strategy. Camp has also formed companies such as StumbleUpon and the start-up incubator Expa Labs, and is part of The Giving Pledge.
12 Emily Warren Roebling
Apart from being a socialite, Emily Warren Roebling was also a skilled engineer. She took over the reins of designing the Brooklyn Bridge when her husband, the chief engineer of the project, Washington Augustus Roebling, was rendered bedridden. She went against the grain and earned a law certificate, too.
13 Barnes Wallis
Barnes Wallis was an English engineer, inventor, and scientist. He played an important role during the Second World War by inventing the bouncing bomb which was used in Operation Chastise by the Royal Air Force to attack the dams of the Ruhr Valley. Barnes Wallis is also credited with inventing the earthquake bomb and his version of the geodetic airframe.
14 George Hotz

Known online as Geohot, George Francis Hotz is an American security hacker and software engineer, who at the age of seventeen became the first person to hack Apple’s iPhone. Later, he developed iOS jailbreaks and became the first person to crack a defense system in Sony PlayStation 3. Currently, he is working at comma.ai, a startup he founded in 2015.
15 Martin Heinrich

Apart from being the US senator from New Mexico, Martin Heinrich is also the vice chair of the Joint Economic Committee. The son of working-class parents, Heinrich was the first from his family to graduate. A mechanical engineer, he had launched his own firm before joining politics.
16 Jakov Kitarović

17 Bram Cohen

18 Jacques Vallée

Jacques Vallée is a French computer scientist, Internet pioneer, venture capitalist, astronomer, ufologist, and author. Vallée is credited with co-developing the first computerized map of Mars, which was used by NASA in the 1960s. An influential personality in the study of UFOs, Jacques Vallée has promoted such hypothesis as the interdimensional hypothesis.
19 Karen L. Nyberg

20 Larry Wall

21 Ivan Silayev

22 Zhu Rongji

23 Dale Crover

24 Satish Dhawan

Satish Dhawan was an Indian aerospace engineer and mathematician remembered for his research in the field of boundary layers and turbulence. From 1972 to 1984, Dhawan served as the chairman of the Indian Space Research Organization during which he played a key role in the development of the space program in India. In 1981, he was awarded the Padma Vibhushan.
25 Dave Arneson

26 August Horch

27 Nora Stanton Blatch Barney
One of the first female engineers in the US, Nora Stanton Blatch Barney was also a leading suffragist and the granddaughter of women’s rights activist Elizabeth Cady Stanton. She was also the first woman to graduate in engineering from Cornell and sued the ASCE for denying her a full-membership.
28 Josh Sawyer

29 Benjamin Wright

Benjamin Wright was an American civil engineer best remembered for his work as a chief engineer. He is credited with overseeing the design and construction of the Chesapeake and Ohio Canal and the Erie Canal. In 1969, Benjamin Wright was declared the Father of American Civil Engineering by the American Society of Civil Engineers (ASCE).
30 Danny Hillis

31 Heinrich Lübke

Once president of the German Federal Republic, or West Germany, Heinrich Lübke was born to a cobbler and slowly rose up to be a member of the Centre Party and then the Christian Democratic Union. Not a great public speaker, he was often ridiculed for his failing memory at public events.
32 Jenova Chen

33 Hugo Schmeisser

34 Jean Bastien-Thiry

Jean Bastien-Thiry was a French engineer and military personnel whose assassination attempt on French President Charles de Gaulle cost him his life. The assassination attempt made international headlines and inspired a novel titled The Day of the Jackal, which was later adapted into a film. Before his treacherous infamy, Bastien-Thiry was credited with creating the Nord SS.10/SS.11 missiles.
35 Andy Bechtolsheim

36 William F. Baker

William F. Baker is an American structural engineer best known for working as an engineer in several important projects, including the famous Burj Khalifa in Dubai. In 2011, he was invited by the National Academy of Engineering (NAE) to lead a project aimed at developing innovative structures for high-rise buildings. Baker has received several honors and awards throughout his career.
37 Alfred Vail

Alfred Vail, along with Samuel F.B. Morse, revolutionized the American telegraph system. Though initially interested in theology, he changed his career path after meeting Morse. Some scholars believe Vail and Morse had both contributed equally for the development of the Morse code but was not valued.
38 Robert R. Gilruth

39 Lonnie Johnson

40 Igor Smirnov

From serving in Soviet labor camps to working at a metallurgical factory, Igor Smirnov had done it all before he joined the campaign to free Transnistria. He eventually became the region’s first president, in spite of it not being recognized as an independent state internationally.
41 Carlos de la Mota

42 James Cross

Irish-British diplomat James Cross had worked in New Delhi, Halifax, Winnipeg, and Kuala Lumpur before moving back to Canada as a trade commissioner. In late 1970, the Quebec Liberation Front abducted him, though he was released after 2 months. He died of COVID-19 complications at age 99.
43 John Leckie

44 Ryan North

Computational linguistics expert and New York Times bestselling Canadian author Ryan North is known for his award-winning books such as Romeo and/or Juliet and The Unbeatable Squirrel Girl. He is also the creator of the fixed-art webcomic Dinosaur Comics, which won the Web Cartoonists' Choice Award.
45 Karl Terzaghi

The pioneer of soil mechanics, Karl Terzaghi was the son of an army lieutenant-colonel and studied in a military boarding school, where he developed his passion for geography. He eventually graduated as a mechanical engineer. He later also taught at MIT and penned iconic works such as Erdbaumechanik.
46 Éric Chahi

Éric Chahi is a French programmer and computer game designer best known for creating popular games like Another World and Heart of Darkness. Another World, which received critical acclaim for its minimalism and atmosphere, went on to be recognized as a cult classic. Éric Chahi is also credited with founding Amazing Studio, which develops interesting games.
47 Leepu Nizamuddin Awlia

48 Dana Scott

49 C. L. Max Nikias

50 George Carruthers
