Alexander Graham Bell was a scientist, inventor, and engineer. He is credited with inventing the first functional telephone. He is also credited with co-founding America's major telephone company AT&T, which has been going strong since 1885. Bell's later life was marked by his groundbreaking work in aeronautics, hydrofoils, and optical telecommunications. He was also an ardent supporter of compulsory sterilization.
English civil engineer, Isambard Kingdom Brunel, is considered "one of the most ingenious and prolific figures in engineering history." Considered a major figure of the Industrial Revolution, he built docks, a series of steamships, and many important bridges and tunnels. He was placed second in a BBC public poll to determine the "100 Greatest Britons" in 2002.
Rudolf Diesel was a German mechanical engineer and inventor best remembered for inventing the Diesel engine. After Diesel's demise, his engine became an important substitution for the steam piston engine. The engine became widespread in applications, such as agricultural machines, submarines, ships, and trucks. His life inspired the 1942 biographical film Diesel, in which he was played by Willy Birgel.
American inventor, mechanical engineer and an accomplished tennis and golf player, Frederick Winslow Taylor, regarded as the father of scientific management, sought to improve industrial efficiency. His approach on scientific management, referred to as Taylorism, has significantly influenced development of industrial engineering and production management. His monograph, The Principles of Scientific Management, laid out his views on principles of scientific management.
Inventor, engineer and futurist, Nikola Tesla, is best remembered for his contribution to the development of the modern alternating current (AC) electricity supply system. A prolific inventor, he had around 300 patents for his inventions. Even though he earned a considerable amount of money, he had poor money management skills and died a poor man.
John Monash was an Australian military commander during World War I. He played a major role in the Gallipoli campaign, which took place from February 1915 to January 1916 on the Gallipoli peninsula. John Monash is widely regarded as the most popular commander in Australian history and one of the most prominent allied generals of World War I.
Phineas Gage was a railroad construction foreman. He is best remembered for surviving an accident which destroyed much of the left frontal lobe of his brain; during the accident, a large iron rod was driven through his head. Gage's personality was said to have changed after the accident, which contributed immensely to studies about the brain's role in determining personality.
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.
Scottish engineer William Murdoch initially worked for the firm of Matthew Boulton and James Watt. He later made a host of inventions and was the first to use coal gas for illumination. He was also known for his work on steam energy and invented the oscillating engine and the D slide valve.
Described as America’s greatest inventor, Thomas Edison’s legacy is an everlasting one. He was the first to help make the incandescent light bulb commercially viable, even though he was not the first inventor of it. Quadruplex telegraph, phonograph, motion picture camera and the alkaline storage battery are some the many innovations that made him a worldwide phenomenon and an icon.
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.
Wilhelm Rontgen was a German physicist and mechanical engineer. He is best remembered for producing and detecting X-rays for which he was honored with the first Nobel Prize in Physics in 1901. His discovery of X-rays remains one of the greatest achievements in the field of medical science.
One of his parents’ 10 children, George Pullman initially took over his father’s carpentry business and secured contracts with New York for the Erie Canal project. The founder of the Pullman sleeping car and a company town, Pullam was criticized for using the military to violently end the 1894 Pullman Strike.
Granville Woods was 10 when he began working at a machine shop, while continuing his studies at a night school. He grew up to become a steam locomotive engineer and earned the nickname the Black Edison for his countless inventions, most of which were related to electrical systems for railways.
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.
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.
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.
Best known for creating the Gantt Chart, a management tool used for scheduling tasks, mechanical engineer Henry Gantt had been a disciple and colleague of Frederick W. Taylor. He also prepared ground for the Human Relations School of management and spoke about the social responsibility of business.
Best known for designing the Golden Gate Bridge, engineer Joseph Strauss specialized in movable bridges and developed the concepts of the bascule bridge and the vertical-lift bridge. Born to a pianist mother and a painter-writer father, he later also penned poems such as The Mighty Task is Done.
British civil engineer Joseph Bazalgette was the man behind the development of the sewage system of London. He was later knighted for his achievements and had also served as the president of the Institution of Civil Engineers. Another notable work of his was the Hammersmith Bridge.
George Meade was a civil engineer and United States Army officer best remembered for decisively defeating Robert E. Lee in the American Civil War. After the war, he played an important role during the Reconstruction era. As a civil engineer, George Meade was involved in the construction of many lighthouses.
Though German-born American mathematician and engineer Charles Proteus Steinmetz suffered from a deformed back since childhood, he excelled in math, physics, and classical literature. His ideas on alternating current (AC) systems initiated the electrical era in the US. By the time he died, he had over 200 patents under his name.
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.
Gottlieb Daimler was a German engineer, industrialist, and industrial designer. A pioneer of automobile development and internal combustion engines, Daimler is credited with inventing the liquid petroleum-fueled engine. In 1978, Gottlieb Daimler was inducted into the Automotive Hall of Fame.
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.
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.
Richard Trevithick was a British mining engineer and inventor. A pioneer of rail transport and steam-powered vehicles, Trevithick is credited with developing the first working railway steam locomotive and the first high-pressure steam engine. He was a highly respected figure in the fields of engineering and mining during the peak of his career.
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.
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.
Engineer Washington Roebling is largely remembered for co-designing the Brooklyn Bridge with his father, John Augustus. He also worked as part of the Union Army during the Civil War. A perfectionist, he was once found unconscious in a compressed-air chamber at work, and that affected him permanently.
Harry Nyquist was a Swedish electronic engineer and physicist best remembered for his contributions to communication theory. His work earned him many prestigious awards such as the IRE Medal of Honor, the Stuart Ballantine Medal, and the Rufus Oldenburger Medal. Harry Nyquist is also remembered for his association with Bell Telephone Laboratories.
Charles Goodyear was an American manufacturing engineer and self-taught chemist who developed vulcanized rubber. He invented the chemical process to manufacture pliable, moldable, and waterproof rubber which revolutionized the automobile industry. In 1976, Charles Goodyear was inducted posthumously into the National Inventors Hall of Fame.
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.
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.
Swiss-born Belgian physicist Auguste Piccard is best remembered for his research on the Earth’s upper stratosphere. He designed his own ships to explore the depth of the seas and also built balloons to study cosmic rays. His bathyscaphe remains one of his best-known inventions. He also co-discovered the magnetocaloric effect.
Glasgow-born civil engineer Robert Stevenson initially built lighthouses as part of the Scottish Lighthouse Board. Apart from constructing the Bell Rock Lighthouse in Scotland, he also invented the hydrophore and flashing lights. He was also the grandfather of writer Robert Louis Stevenson. He is part of the Scottish Engineering Hall of Fame.
French-British engineer Marc Isambard Brunel is best known for constructing the Thames Tunnel and had been the chief engineer of New York City. He had also spent time in a debtor’s prison for his association with loss-making projects. He was the father of renowned engineer Isambard Kingdom Brunel.
Engineer William Mahone wasn’t just a railway tycoon associated with the Norfolk–Petersburg Railroad but was also part of the Confederate Army. He was one of the major leaders of Virginia’s Readjusters, a coalition of African-Americans and financially backward whites. The US senator later sided with the Republican Party.
German aeronautical engineer Otto Lilienthal became the first known person to use gliders for a successful flight. A mechanical engineer, he owned a shop and flight factory and developed gliders, with which he completed around 2,000 flights. Lilienthal, however, died after breaking his back in a glider crash.
Son of French Revolutionary leader and mathematician Lazare Carnot, Sadi Carnot was an engineer in the French army. He later laid down the Carnot cycle of heat engines. Much of his works were buried with him when he died of cholera at 36, due to the contagiousness of the disease.