2 Wernher Von Braun(One of the Greatest Rocket Developers and Space Exploration in the 20th Century)
German-born American aerospace engineer and space architect, Wernher Von Braun, worked in Nazi Germany's rocket development program as a young man. After World War II, he moved to the United States where he became a pioneer of rocket and space technology in the nation. In his later career, he became director of the newly formed Marshall Space Flight Center.
3 Vladimir Komarov(Test pilot)
Soviet cosmonaut Vladimir Komarov was the first from his country to fly into space twice. He died when his Soyuz 1 capsule crashed while re-entering the Earth, due to a parachute failure, on April 24, 1967, which made him the first human to die in a space flight.
4 Robert A. Heinlein(Science Fiction Writer)
Robert A. Heinlein was an American author, naval officer, and aeronautical engineer. Heinlein is credited with pioneering a literary subgenre called hard science fiction as he was among the first to stress the importance of scientific accuracy in fiction. Robert A. Heinlein is one of the most influential science-fiction writers of all time.
5 Lisa Nowak(Astronaut, Engineer)

Former NASA astronaut and U.S. Navy captain Lisa Nowak was part of the STS-121 mission. She made headlines when she apparently attempted to kidnap Air Force captain Colleen Shipman, who was getting into a relationship with astronaut William Oefelein, who had previously dated Nowak. Nowak was subsequently dismissed from NASA.
6 Gordon Cooper(Officer, Astronaut, Test pilot, Aerospace engineer, Engineer, Aviator)

Part of the seven Project Mercury astronauts, Gordon Cooper manned a 34-hour space mission, becoming the first American to stay for a day in space. As part of the Gemini 5 mission, he and his co-pilot proved it was possible for astronauts to survive a mission to the Moon and back.
7 Scott Kelly(Engineer)

8 Jack Parsons(Researcher)

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.
9 Deke Slayton(Astronaut)

10 Homer Hickam(Aerospace Engineer)

11 John Carmack(Chief technology officer, Aerospace engineer, Programmer, Computer scientist)

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.
12 Judith Resnik(Engineer)

Judith Resnik was an American software engineer, electrical engineer, pilot, biomedical engineer, and NASA astronaut. She was the fourth woman and the first Jewish woman in space, logging 145 hours in orbit. Resnik, who died during the Space Shuttle Challenger disaster in 1986, received several posthumous honors. Judith Resnik’s life and career inspired the 1990 TV movie Challenger.
13 Wally Schirra(NASA astronaut who became one of the original seven astronauts chosen for Project Mercury)

14 Neil Armstrong(First Person To Walk On The Moon)
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.
15 James Glaisher(Meteorologists)

Renowned meteorologist and aeronaut James Glaisher was a pioneer of balloon flights and had penned the iconic book Travels in the Air. He had also contributed to the formation of the Meteorological Society and the Aeronautical Society of Britain. The 2019 movie The Aeronauts depicts his exploits as a balloonist.
16 Alan Mulally(Engineer)

17 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.
18 Anousheh Ansari(American-Iranian engineer)

19 Kelly Johnson(Aerospace engineer)

20 Burt Rutan(Aerospace engineer, Engineer, Aviator, Entrepreneur)

21 Gerald Bull(Aerospace engineer, Engineer, Inventor)

Gerald Vincent Bull was a Canadian artillery expert, known for designing Project Babylon supergun for the Government of Iraq. His idea was to do away with the conventional rockets by firing satellites into orbit from a 156m-long barrel embedded inside a hill. However, his assassination within two years of the start of the project put an end to it.
22 R. J. Mitchell(Aeronautical engineer)

Aeronautical designer R. J. Mitchell joined Supermarine at age 21 and worked for them throughout his life. Remembered for designing sea planes, he was also the man behind the fighter aircraft Spitfire, which was used extensively during World War II. The film The First of the Few chronicled his life.
23 Jiro Horikoshi(Aerospace engineer, Engineer)

Jiro Horikoshi was a Japanese engineer who played an important role during the Second World War, serving as the chief engineer of several Japanese fighter aircraft, including the famous Mitsubishi A6M Zero. Jiro Horikoshi's life and career inspired a fictionalized biographical animated film titled The Wind Rises which was directed by Hayao Miyazaki.
24 Otto Lilienthal(Known for successful gliding experiments)

25 Kurt Tank(Aeronautical engineer and test pilot who led the design department at Focke-Wulf from 1931 to 1945)

26 Geoffrey de Havilland(Aerospace engineer, Engineer, Test pilot, Aviator, Entrepreneur)

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.
27 James McDivitt(Pilot)

28 Willy Messerschmitt(Aeronautical engineer, Engineer, University teacher)

29 Bill Lear(Inventor)

30 Nevil Shute(Novelist)

British-Australian novelist Nevil Shute was also an aeronautical engineer and had fought in World War I. Of the 25 books he had penned throughout his lifetime, On the Beach remains one of the most notable. Most of his works reflected his cynicism regarding humanity in a war-ravaged society.
31 Marcel Dassault(Politician, Engineer, Entrepreneur, Aerospace engineer, Inventor, Screenwriter)

Marcel Dassault was a French industrialist and engineer. He played an important role during the First World War when he developed a type of aircraft propeller which was used by the French army. In 1916, he worked with Louis Coroller and Henry Potez to form a company named Société d'Études Aéronautiques in order to manufacture the SEA series of fighters.
32 Louis Blériot(Aviator, Engineer, Inventor, Aerospace engineer)

Louis Blériot was a French aviator, engineer, and inventor. He is credited with developing the first workable headlamp for cars. He is also credited with making the first working, piloted monoplane. Blériot achieved worldwide fame in 1909 when he became the first person to fly across the English Channel. Louis Blériot also founded the successful aircraft manufacturing company, Blériot Aéronautique.
33 Theodore von Karman(Mathematician)

Hungarian-American mathematician Theodore von Karman is best known for his research on aeronautics. Born to a professor father, Karman was a math prodigy in childhood and was pushed into engineering. He was also the first recipient of the National Medal of Science. A bachelor for life, he lived with his mother and sister.
34 Noshir Gowadia(Spy, Engineer)

35 Hugo Junkers(Engineer)

36 Robert Crippen(Astronaut)

37 Gustave Whitehead(Aerospace engineer, Engineer)

38 Satish Dhawan(Aerospace engineer, Engineer)

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.
39 Stuart Roosa(Astronaut)

40 Ben Rich(American engineer)

Known as "the father of stealth," Ben Rich made a significant contribution to the development of the F-117 Nighthawk stealth fighter-bomber. Throughout his stint at Lockheed’s Skunk Works, he helped develop numerous military planes. The UCLA alumnus later received the Distinguished Service Cross for his work.
41 Arthur Rudolph(Aerospace engineer, Engineer)

42 Jean Bastien-Thiry(Engineer, Aerospace engineer, Military personnel)

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.
43 Joe Engle(Officer, Astronaut, Test pilot, Aerospace engineer, Engineer, Aviator)

44 Vance D. Brand(Astronaut)

45 Hans von Ohain(Physicist)

46 Giovanni Battista Caproni(Civil engineer, Aerospace engineer, Engineer)

47 Robert R. Gilruth(Aerospace engineer)

48 Andrei Tupolev(Designer)

49 Lonnie Johnson(Inventor, Aerospace engineer)

50 Valentin Glushko(Engineer)
