electrical engineer, mechanical engineer, technician, electrician, architect, technologist, electrical engineering, aeronautical engineer, mechanic, computer programmer, mechanical engineering, consultant, scientist, geologist, programmer, metallurgist, contractor, planner, geophysicist, draftsman, aerodynamicist, foreman, physicist, surveyor, inspector, machinist, accountant, engineman, supervisor, chemist, landscape architect, repairman, welder, maintainer, pipe fitter, estimator, carpenter, forester, hydrologist, microbiologist, salesman, acoustician, ecologist, administrator, cartographer, designer, biologist, switchman, troubleshooter, locomotive engineer, hydrographer, researcher, biochemist, archaeologist, animator, aeronautical engineering, archeologist, draftsperson, quantity surveyor, manager, modeller, geographer, carman, arborist, subcontractor, plumber, ornithologist, millwright, entrepreneur, upholsterer, mathematician, inventor, boffin, pyrotechnician, tinkerer, civil servant, agronomist, cryptographer, trainmaster, officer, worker, modeler, horticulturist, electromagnetics, assembler, boilermaker, signalman, rocketeer, instructor, entomologist, telegrapher, ironworker, investment banker, laborer, oceanographer, businessman, mason, vice president, master sergeant, expert, repairperson, conductor, engineers, pathologist, meteorologist, psychiatrist, surgeon, physician, veterinarian, gynecologist, ophthalmologist, pediatrician, pharmacist, divisional, echelon, frontline, cavalry, expeditionary, mercenary, wehrmacht, antiaircraft, disbanded, luftwaffe, ranger, aircraft, commissary, firefighting, hessian, recon, uniformed, volunteer, armored, armoured

aeronautical engineer, aerospace engineer, army engineer, automotive engineer, civil engineer, computer programmer, electrical engineer, marine engineer, mechanical engineer, metallurgical engineer, metallurgist, military engineer, mining engineer, naval engineer, programmer, software engineer, surveyor

., a. e. kennelly, aeronautical engineer, aerospace engineer, alexandre gustave eiffel, arthur edwin kennelly, automotive engineer, braun, bryan donkin, bush, casey jones, charles franklin kettering, charles kettering, charles proteus steinmetz, chemic, chemical, civil engineer, claude e. shannon, claude elwood shannon, claude shannon, clive sinclair, daimler, david barnard steinman, da vinci, de forest, diesel, dolby, donkin, eiffel, electrical, elihu thomson, elmer ambrose sperry, ernst werner von siemens, footplate, george washington goethals, goethals, gottlieb daimler, guglielmo marconi, heaviside, highway engineer, hugo junkers, hydraulic, james watt, john augustus roebling, john luther jones, john roebling, jones, junkers, karl wilhelm siemens, kennelly, kettering, lee de forest, leonardo, leonardo da vinci, marconi, metallurgic, metallurgical, metallurgical engineer, metallurgist, mining engineer, mitchell, nikola tesla, oliver heaviside, power-assisted steering, power steering, proficient, r. j. mitchell, ray m. dolby, reginald joseph mitchell, richard trevithick, rocket engineer, rocket scientist, roebling, rudolf christian karl diesel, rudolf diesel, sapper, shannon, siemens, sinclair, sir charles william siemens, sir clive marles sinclair, sperry, steinman, steinmetz, structural, surveyor, tesla, the father of radio, thomas augustus watson, thomson, topographic, topographical, torpedo, trevithick, vannevar bush, von braun, watson, watt, wernher magnus maximilian von braun, wernher von braun

design, human, individual, manipulator, mortal, operator, person, plan, somebody, someone, soul

applied scientist, direct, engine driver, mastermind, orchestrate, organize, railroad engineer, technologist