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.
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.
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.
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.
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.
10 Phineas Gage
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.
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.
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.
13 George Meade
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.
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.
George Washington Goethals was an American civil engineer and US-Army General remembered for his role as an overseer of the construction of the Panama Canal. He also served as the first Governor of the Panama Canal Zone from 1914 to 1917. Goethals has been honored with several tributes, including the Society of American Military Engineers' establishment of the Goethals Medal.
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.
Then first Black to have graduated from West Point’s Military Academy, Henry Ossian Flipper was born to slave parents. He also became the first African-American to command US Army troops. He was dismissed unjustly on embezzlement charges and later worked as a civil engineer. His name was cleared posthumously.
Swiss-American engineer Othmar Herman Ammann is best remembered for designing long suspension bridges, such as the Verrazano-Narrows Bridge and the George Washington Bridge. He also owned a firm in New York and had a long stint with the Port of New York Authority. He also designed part of the Lincoln Center.
John Bradfield was an Australian engineer remembered for envisioning the Sydney Harbour Bridge; he oversaw the design and the construction of the bridge, which is now considered a major landmark in Sydney. He was also associated with many other notable projects, such as the Cataract Dam, Brisbane's Story Bridge, and Burrinjuck Dam. He received many prestigious awards during his lifetime.
Engineer James B. Eads spent most of his early life marine-salvaging along the Mississippi. Apart from building submarines, he also owned over 50 patents. He is best remembered for his triple-arch steel bridge over the Mississippi. He was the first American engineer to win the Royal Society of Arts’s Albert Medal.
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.
John Frank Stevens, who was mostly a self-taught engineer, worked on the Panama Canal as its chief engineer. Initially associated with the Great Northern Railway, he was later also sent to Russia as part of a team working on the Trans-Siberian Railway. He won awards such as the Hoover Medal.
27 Hugh Lofting
Though a qualified civil engineer from MIT, Hugh Lofting is best remembered for writing the Dr. Dolittle series of children’s classics, which created a cult character and also inspired several movies. His only work for adults was the war poem Victory for the Slain, which depicted the futility of war.
Montgomery C. Meigs was an American civil engineer and US Army officer who played an important role during and after the Civil War, serving as Quartermaster General of the US Army. His work as Quartermaster General is widely regarded as an important factor in the Union victory in the Civil War. Meigs is also credited with masterminding Arlington National Cemetery.
30 Sadi Carnot
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.
31 Ivar Kreuger
Ivar Kreuger was a Swedish civil engineer, entrepreneur, industrialist, and financier. He is best remembered for building a global match empire and controlling almost three quarters of worldwide match production which earned him the nickname, Match King. Ivar Kreuger also founded and owned many other companies including Kreuger & Toll Byggnads AB.
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.
Octave Chanute was a French-American aviation pioneer and civil engineer. He is credited with helping budding enthusiasts like the Wright brothers by providing them with help and advice. He also helped publicize their flying experiments. At the time of his death, Octave Chanute was referred to as the father of aviation.
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).
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.
Born to actor Helena Modjeska, Polish-American engineer Ralph Modjeski was a talented pianist in his younger days. He later worked on the railroad bridge across the Mississippi and also re-designed the Quebec Bridge after a major disaster. Over his illustrious career, he had designed over 50 major bridges.
Jean-Baptiste Biot was a French physicist, mathematician, and astronomer. He was a co-discoverer of what became known as the Biot-Savart law of magnetostatics. He is also credited with establishing the reality of meteorites. He made major contributions to the fields of optics and magnetism as well. Cape Biot in eastern Greenland is named in his honor.
An army engineer, John C. H. Lee eventually became a lieutenant-general and presided over the ComZ during World War II. He also prepared the US troops for the Normandy Invasion. However, critics often accused him of leading a lavish lifestyle, splurging on hotels and food, amid war.
41 Henry Croft
John Rennie the Elder was a Scottish civil engineer considered a pioneer in the use of structural cast iron. He designed many bridges, canals, docks, and warehouses. As a young boy, he spent much time in the workshop of Andrew Meikle, a prominent mechanical engineer, and learned from him. He then went on to establish his own engineering practice.
44 Henry Darcy
French engineer Henry Darcy had a difficult childhood, having lost his father at 14. Raised by his mother, he later joined the École Polytechnique. He proposed Darcy’s law, which explains the flow of fluids in porous media. He also designed the water supply system of Dijon, his native city.
45 John By
One of the major figures behind the development of the city of Ottawa, military engineer John By had created the Rideau Canal, which connected Lake Ontario and the Ottawa River. He was also charged with over-running the costs for the project but was eventually acquitted of all charges.
Initially a math professor, José Echegaray later held several government posts. As the minister of finance, he developed the Banco de España. He later established himself as a prominent dramatist, with plays such as El gran Galeoto, and became the first Spanish to win the Nobel Prize for Literature.
Glasgow-born civil engineer John Scott Russell is best remembered for his contribution to naval architecture. He was the first to build a naval battleship entirely made of iron, the HMS Warrior. His written works include the 3-volume The Modern System of Naval Architecture. He also discovered Russell's solitary wave.
Initially a surveyor, Thomas Brassey later built some of the most well-known railway lines of the world. The British contractor contributed to the Grand Junction Railway, Canada’s Grand Trunk Railway, and the Crimean Railway. He later also became a Liberal MP and a governor of Victoria, Australia.
Engineer David B. Steinman is remembered for his extensive study on aerodynamics and wind velocity, which resulted in stable bridges. He was responsible for designing around 400 bridges, which included the Mackinac Bridge. His work also took him to cities such as Lisbon and Istanbul.
Known for his pioneering written work on railroad construction, engineer and architect William Strickland was also one of the leaders of the 19th-century Greek Revival style of architecture. He designed structures such as the US Mint, contributed to the Pennsylvania Railroad Company, and was also one of the first American lecturers of architecture.