Open Questions

Open Industrial Engineering

Why It Is Open Time study and motion study were developed independently and stood in philosophical tension; the disagreement between Taylor and the Gilbreths became a personal rift that, after Taylor died, turned into an open feud between the Gilbreths and the Taylor camp, and the documented record states that friction over questions of history and intellectual property still remains even after Lillian Gilbreth attempted to heal the rift.

What Would Settle It A settled historical account, backed by primary correspondence or patent records, establishing whose methodological contribution founded industrial engineering as a discipline and how the intellectual property dispute between the two camps was actually resolved.

Expertise Needed History of Technology

Question posed in Frank Bunker Gilbreth (Wikipedia), Wikipedia contributors, Wikipedia, Frank Bunker Gilbreth, section Scientific management.

Open Nuclear Engineering

Why It Is Open Szilard originated and patented the theoretical concept of a nuclear chain reaction years before any working device existed, while Fermi led the team that turned the concept into the first working reactor at Chicago Pile One in 1942 and later jointly held a nuclear reactor patent together with Szilard; historical accounts differ on which contribution defines the founding of the discipline, and Fermi has separately been called the architect of the nuclear age.

What Would Settle It A settled historiographical consensus, or a definitive patent and priority record, on whether conceptual origination or first successful engineering achievement carries primary founding credit.

Expertise Needed History of Technology

Question posed in Leo Szilard (Wikipedia), Wikipedia contributors, Wikipedia, Leo Szilard, lead section.

Open Robotics Engineering

Why It Is Open Karel Capek popularized robot in R.U.R. and is popularly credited with coining it, but in a 1933 letter responding to an Oxford English Dictionary etymology inquiry, Karel himself stated that his brother Josef suggested the word, derived from the Czech word robota, meaning forced labor.

What Would Settle It Corroborating primary correspondence or contemporaneous documentation, beyond the account Karel gave later, confirming the specific nature of the contribution Josef made.

Expertise Needed History of Technology

Question posed in Robot (Wikipedia), Wikipedia contributors, Wikipedia, Robot, Etymology section.

Open Petroleum Engineering

Why It Is Open Drake is credited as the first American to successfully drill for oil, and the well he drilled launched the modern petroleum industry, but documented claims of prior art for oil drilling exist from Bóbrka, Poland in 1854, Wietze, Germany in 1857, and Oil Springs, Ontario in 1858, each predating the Drake well.

What Would Settle It An agreed definition of what counts as a genuine oil well, mechanically drilled rather than dug, and commercially significant rather than experimental, against which the historical record could be measured.

Expertise Needed History of Technology

Question posed in Edwin Drake (Wikipedia), Wikipedia contributors, Wikipedia, Edwin Drake, Career section.

Open Metallurgical Engineering

Why It Is Open Kelly experimented with injecting air into molten iron in the early 1850s, before Bessemer patented a similar process in 1855; after a financial panic in 1857, a company that had already licensed the Bessemer process purchased the Kelly patents outright and licensed both under the Bessemer name, and the documented record states that the role Kelly played in the invention has remained far less known.

What Would Settle It A settled historical account weighing the timing of independent invention against the commercial and patent outcomes that decided which name attached to the process.

Expertise Needed History of Technology

Question posed in William Kelly (Wikipedia), Wikipedia contributors, Wikipedia, William Kelly (inventor), lead section.

Open Nanotechnology

Why It Is Open The talk Feynman gave is widely cited as the conceptual origin of nanotechnology, but many early nanotechnology researchers say it did not influence their own work and had not read it until much later; Taniguchi was the first to actually use the term nano technology, in 1974; and Drexler used the term again in 1981 without knowing of the earlier Taniguchi use, then went on to popularize it. Historians describe the status given to Feynman in the field as retroactively attached, to give nanotechnology a packaged history.

What Would Settle It A settled disciplinary consensus on whether founding credit belongs to conceptual precedent, to terminological coinage, or to later independent popularization.

Expertise Needed History of Technology

Question posed in History of Nanotechnology (Wikipedia), Wikipedia contributors, Wikipedia, History of nanotechnology, Norio Taniguchi section.

Open Mechanical Engineering

Why It Is Open Alphonse Beau de Rochas, a French engineer, patented the theoretical concept of the four-stroke engine cycle in 1862 but never built a working engine. Nikolaus Otto built and commercialized the first successful four-stroke engine in 1876, unaware of the Rochas patent, and only lost part of his own German patent years later when Gottlieb Daimler's lawyer discovered Rochas's earlier description while searching for a way around royalty payments.

What Would Settle It A settled historiographical consensus on whether conceiving and patenting an unbuilt idea, or independently engineering and commercializing the same idea, carries the primary credit for founding the discipline; historians of technology continue to credit both figures for different reasons.

Expertise Needed History of Technology

Question posed in Nikolaus Otto (Wikipedia), Wikipedia contributors, Earlier patents section.

Open Marine Engineering

Why It Is Open Francis Pettit Smith and John Ericsson began working on the marine screw propeller separately in Britain in 1835. Smith filed the first patent, on 31 May, while Ericsson, working independently, filed his own patent about six weeks later; each went on to build and demonstrate a working screw-propelled boat within the following two years.

What Would Settle It The historical record itself credits both men as independent parallel inventors rather than settling one point of priority; a documented consensus on whose contribution founded the technology, first patent versus first proven working demonstration, does not exist.

Expertise Needed History of Technology

Question posed in Propeller (Wikipedia), Wikipedia contributors, Screw propellers section.

Open Biomedical Engineering

Why It Is Open The first clinical implantation of a fully implantable pacemaker took place in Sweden on 8 October 1958, using a device designed by Rune Elmqvist and surgeon Åke Senning, but it failed within three hours and needed rapid replacement. Wilson Greatbatch's independently engineered implantable pacemaker, using a mercury-battery design, entered use in the United States in April 1960 and proved durable enough for his patient to live a further eighteen months.

What Would Settle It Whether the first, short-lived implant or the first durable design founded modern implantable pacemaker engineering is treated differently by different national and disciplinary histories, and no single source resolves which contribution carries primary credit.

Expertise Needed History of Technology

Question posed in Artificial Cardiac Pacemaker (Wikipedia), Wikipedia contributors, Implantable section.

Open Energy Engineering

Why It Is Open In July 1887, Scottish academic James Blyth built and installed a battery-charging wind machine to light his own holiday home in Marykirk, Scotland. Months later, American inventor Charles F. Brush built what sources describe as the first automatically operated wind turbine for electricity production in the United States, after peer review of his design with local university professors.

What Would Settle It Whether Blyth's earlier but non-automatic machine or Brush's later but automatically operating turbine deserves credit as the first true wind turbine depends on which criterion, chronological priority or technical completeness, is taken as decisive, and sources do not agree on which should govern.

Expertise Needed History of Technology

Question posed in Wind Turbine (Wikipedia), History section, early wind turbines paragraph.

Open Agricultural Engineering

Why It Is Open Obed Hussey patented a mechanical reaper in Ohio in 1833. Robert McCormick's son Cyrus McCormick patented a competing reaper design in 1834, and Cyrus McCormick himself later claimed the machine was actually invented in 1831, which would predate Hussey's patent. The two designs competed in the marketplace for decades and were the subject of several lawsuits.

What Would Settle It A verified, independently documented date for the McCormick reaper's true first working version would settle whether Hussey's filed 1833 patent or McCormick's disputed 1831 claim has real chronological priority; no such independent record has been produced.

Expertise Needed History of Technology

Question posed in Reaper (Wikipedia), Wikipedia contributors, Mechanical reapers in the U.S. section.

Open Mining Engineering

Why It Is Open Humphry Davy presented his safety lamp design to the Royal Society in London on 9 November 1815 and was awarded the society's Rumford Medal and two thousand pounds worth of silver. Engine-wright George Stephenson demonstrated his own, independently devised safety lamp down Killingworth Colliery a month before Davy's presentation, but his lamp was not developed and publicly credited until after Davy's paper, leading Davy to accuse him of theft.

What Would Settle It An 1833 House of Commons committee found that Stephenson had an equal claim to inventing the safety lamp, yet Davy went to his grave insisting Stephenson had stolen his idea; no single verdict has ever definitively settled priority between the two men.

Expertise Needed History of Technology

Question posed in Davy Lamp (Wikipedia), Wikipedia contributors, History section, Stephenson priority dispute paragraph.

Open Radio

Why It Is Open Popov demonstrated a coherer based receiver to the Russian Physical and Chemical Society on 7 May 1895 but did not patent it or publish it outside Russia in a form clearly available to Marconi at the time. Both men were building on the same coherer research already published by Oliver Lodge and others, so the resemblance between their early receivers does not by itself prove either man copied the other.

What Would Settle It A primary correspondence, laboratory notebook or contemporary press account placing Marconi in direct contact with Popov's published results before Marconi's own 1896 patent filing; none has surfaced in the sources consulted for this entry.

Expertise Needed History of technology

Question posed in Invention of Radio (Wikipedia), Wikipedia contributors.

Open Movable Type Printing

Why It Is Open Bi Sheng invented ceramic movable type in Song China between 1039 and 1048, and movable metal type was in use in Korea by the fourteenth century, both centuries before Johannes Gutenberg's metal type and mechanical press appeared in Mainz around 1440. No direct documentary link places knowledge of the Asian systems in Gutenberg's hands, and historians remain divided between an independent-invention account and a diffusion account carried along Mongol-era Eurasian trade and diplomatic contacts.

What Would Settle It A documented account, correspondence, or artifact placing knowledge of Chinese or Korean movable type printing in Europe, or specifically before Gutenberg, before his circa 1440 press; none has surfaced in the sources consulted for this entry.

Expertise Needed History of technology

Question posed in Bi Sheng (Wikipedia), Wikipedia contributors, Body section.

Open The Mechanical Clock

Why It Is Open The two traditions used different power sources, a water clock feeding an escapement-like linkwork versus a purely weight-and-spring drive train, so the answer turns on which feature defines "mechanical clock," not on a missing fact.

What Would Settle It A settled scholarly definition of "mechanical clock" that either includes or excludes an escapement-regulated but water-powered drive train would resolve which tradition holds priority.

Expertise Needed History of technology

Question posed in History of Timekeeping Devices (Wikipedia), Wikipedia contributors, Lead section.

Open The Magnetic Compass

Why It Is Open Han-dynasty lodestone-spoon use is attested for divination, and Shen Kuo's 1088 description is the first clear account of a directional needle, but no source pins down exactly when navigational use began or documents a transmission route to Europe.

What Would Settle It A dated Chinese or Islamic-world source describing shipboard compass navigation, or documentary evidence of a specific trade contact carrying the technology westward, would settle the timing and the transmission question respectively.

Expertise Needed History of technology

Question posed in Compass (Wikipedia), Wikipedia contributors, Lead section.

Open Radar

Why It Is Open At least five countries reached a working radio-echo detection system independently within a few decades of each other, so the question is which milestone, a working principle, a working military system, or an operational network, defines "invention."

What Would Settle It A settled convention for what counts as the invention of a multi-national simultaneous-discovery technology, comparable to how the field already treats the telegraph and telephone priority disputes, would resolve this the same way.

Expertise Needed History of technology

Question posed in Radar (Wikipedia), Wikipedia contributors, Lead section.

Open The Microprocessor

Why It Is Open The three claims answer different questions, first working design, first patent, first commercial product, and the classified CADC design was not publicly documented until years after it was built, so the historical record itself was incomplete for years, not merely uncollected.

What Would Settle It A settled convention for whether "first microprocessor" means first working design, first patent or first commercial release would resolve which claim wins under that definition; no new archival evidence is expected to change the underlying facts.

Expertise Needed History of technology

Question posed in Microprocessor (Wikipedia), Wikipedia contributors, Lead section.

Open Vulcanization

Why It Is Open Goodyear discovered the process first but did not patent it until 1844; Hancock examined a Goodyear sample, independently worked out the same process, and patented it in Britain weeks before Goodyear's own British filing. Neither side has ever produced evidence settling whether Hancock copied or independently rediscovered the process.

What Would Settle It Documentary evidence of exactly what Hancock learned from the Goodyear sample he examined, if any, versus what he derived independently, would settle whether his 1843 patent was an independent rediscovery or a derivative of Goodyear's work.

Expertise Needed History of technology

Question posed in Vulcanization (Wikipedia), Wikipedia contributors, Lead section.

Open Sintering

Why It Is Open Ancient artisans achieved sintering empirically without understanding or naming the underlying process, so the entity's single origin-year property cannot represent both an ancient craft practice and a specific engineering milestone at once.

What Would Settle It A convention for whether this atlas's "origin-year" property means first craft use or first deliberate engineering formalization would settle which date belongs on this fact, consistent with how the atlas already treats other ancient-craft-to-modern-engineering methods.

Expertise Needed History of technology

Question posed in Sintering (Wikipedia), Wikipedia contributors, Lead section.