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Technology and the built world

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John Draper

John Thomas Draper, known as Captain Crunch or Crunchman, is an American programmer and former phone phreak famous for making free long-distance calls with a Cap'n Crunch cereal-box whistle.

John E. Allison

John E. Allison is an American metallurgist at the University of Michigan, elected to the National Academy of Engineering in 2011 and a pioneer of Integrated Computational Materials Engineering.

John E. Bowers

John E. Bowers is an electrical engineer who spent 38 years at UC Santa Barbara pioneering silicon photonics, cofounding six companies, and winning the 2024 IEEE Nishizawa Prize.

John E. Breen

John E. Breen, known as Jack Breen, was an American civil engineer and structural concrete researcher who taught at the University of Texas at Austin for over 50 years.

John E. Dolan

John E. Dolan (1923–2018) was an American engineer who led generation and transmission engineering at American Electric Power and was elected to the National Academy of Engineering in 1980.

John E. Flipse

John E. Flipse (1921–2007) was an American ocean-mining engineer who founded and led Deepsea Ventures, a deep seabed mining pioneer, and later served at Texas A&M University.

John E. Gray

John E. Gray, also known as John Edmund Gray, was an American chemical engineer who managed the Shippingport Atomic Power Station and was elected to the National Academy of Engineering in 1992.

John Eugene Kunzler

John Eugene Kunzler was an American metallurgist and materials scientist at Bell Telephone Laboratories, known for the 1961 discovery that niobium-tin remains superconducting in very high magnetic fields.

John F. Ahearne

John F. Ahearne (1934–2019) was an American physicist who chaired the US Nuclear Regulatory Commission after the 1979 Three Mile Island accident and became a leading figure in nuclear safety policy.

John F. Cashen

John F. Cashen is an American electrical engineer, nicknamed "Dr. Stealth," who led low-observables work at Northrop and was chiefly responsible for the B-2 bomber's ability to elude enemy radar.

John F. Elliott

John Frank Elliott (1920–1991) was an American metallurgist and MIT professor of metallurgy known for the thermochemistry of steelmaking and the two-volume Thermochemistry for Steelmaking.

John F. Kahles

John F. Kahles (1914–1993) was an American metallurgical engineer who coined the term "surface integrity" and was elected to the National Academy of Engineering in 1984.

John F. Kennedy assassination rifle

The John F. Kennedy assassination rifle, also called the JFK assassination rifle, is the Mannlicher-Carcano rifle found in the Texas School Book Depository after Kennedy was shot in 1963.

John F. Kennedy International Airport

John F. Kennedy International Airport (JFK) is New York City's primary international gateway in Queens, operated by the Port Authority and serving 63.3 million passengers in 2024.

John F. McCarthy Jr.

John F. McCarthy Jr. (1925–1986) was an American aeronautical engineer known for Apollo spacecraft work at North American Rockwell and for directing NASA's Lewis Research Center.

John F. Reid

John F. Reid is an American agricultural engineer at the University of Illinois Urbana-Champaign, elected to the National Academy of Engineering in 2019 for agricultural automation.

John Findley Wallace

John Findley Wallace, known as John F. Wallace, was an American civil engineer and the first Chief Engineer of the Panama Canal, serving from 1904 to 1905.

John Finley Yardley

John Finley Yardley (1925–2001) was an American aeronautical engineer who managed the Mercury and Gemini spacecraft for McDonnell Aircraft and led NASA's space shuttle development.

John Francis Dodge

John Francis Dodge, known as John F. Dodge, was an American automotive manufacturer who co-founded Dodge Brothers in 1914 and was an early Ford Motor Company shareholder.

John Frank Davidson

John Frank Davidson (1926–2019) was a British chemical engineer at Cambridge, the founding father of fluidization, who co-wrote the classic textbook Fluidised Particles in 1963.

John Frank Stevens

John Frank Stevens (1853–1943) was an American civil engineer who built the Great Northern Railway and served as chief engineer of the Panama Canal from 1905 to 1907.

John Fritz Medal

The John Fritz Medal is an annual American engineering award, established in 1902 as a memorial to steel industry pioneer John Fritz and often called the highest US engineering honor.

John G. Barnard

John Gross Barnard (1815–1882) was a US Army Corps of Engineers officer who built the defenses of Washington, D.C., during the Civil War and studied the gyroscope.

John G. Linvill

John G. Linvill (1919–2011) was an American electrical engineer at Stanford University known for transistor circuit theory and for inventing the Optacon, an electronic reading device for blind readers.

John G. Speer

John G. Speer is an American steel metallurgist, professor at the Colorado School of Mines, who invented quenching and partitioning steel processing and was elected to the National Academy of Engineering in 2019.

John G. Trump

John G. Trump (John George Trump, 1907–1985) was an American electrical engineer and MIT professor who developed megavolt X-ray generators for cancer therapy and evaluated Tesla's papers in 1943.

John G. Truxal

John G. Truxal (1924–2007) was an American control theorist and systems engineer who led electrical engineering at Brooklyn Polytechnic and served as Dean of Engineering at Stony Brook.

John G. Ziegler

John G. Ziegler (c. 1909–1997) was an American engineer who, with mathematician Nathaniel B. Nichols, created the Ziegler–Nichols method, the first systematic procedure for tuning PID controllers.

John Glenn

John Glenn, born John Herschel Glenn Jr., was an American Marine aviator, NASA astronaut, and senator from Ohio who became the first American to orbit Earth in 1962.

John Glenn Columbus International Airport

John Glenn Columbus International Airport, formerly Port Columbus, is the main airport serving Columbus, Ohio, opened in 1929 and renamed for the astronaut in 2016.