mechanical engineer, electrical engineer, aeronautical engineering, engineer, mechanic, machinist, aerodynamicist, draftsman, electrician, computer programmer, physicist, metallurgist, fighter pilot, aeronautics, upholsterer, mechanical engineering, electrical engineering, welder, mathematician, aviator, aeronaut, astrophysicist, rocketeer, autodidact, horologist, aerospace engineering, carpenter, igor sikorsky, architect, painter, aerospace, ornithopter, airplane, astronautical, ornithologist, agriculturalist, tinkerer, scientist, pipe fitter, industrialist, chartered accountant, biochemist, aviation, technician, aircraftsman, landscape gardener, apprentice, investment banker, aquanaut, bird watcher, accountant, interior decorator, technologist, flyboy, geologist, monoplane, sailplane, pilot, metalworker, wernher von braun, weaponeer, entrepreneur, geophysicist, bricklayer, astronaut, paperhanger, avionics, inventor, medievalist, gyroplane, modeller, artificer, aviatrix, linguist, draftsperson, embroiderer, autogyro, ceramist, instructor, rocketry, balloonist, theoretician, coachbuilder, assembler, admirer, microbiologist, typographer, housepainter, repairman, animator, hang glider, academician, millwright, schoolteacher, interior designer, astronomer, homemaker, cosmologist, airframe, sculptor, chemist, artilleryman

applied scientist, engineer, technologist