There is a total of 30995 clues beginning with in
- Inventor Morse
- Inventor Musk
- Inventor Nikola
- Inventor Nikola et al
- Inventor Nikola and family
- Inventor Nikola and family
- Inventor Nikola with a namesake scientific unit
- Inventor Nikola ___
- Inventor Nikola
- Inventor of "man-made lightning"
- Inventor of a "code"
- Inventor of a "Vegetable Compound"
- Inventor of a '60s synthesizer
- Inventor of a 17th-century calculator
- Inventor of a 9-line stanza
- Inventor of a braking system for cars
- Inventor of a burner
- Inventor of a camera
- Inventor of a coil
- Inventor of a coil that bears his name
- Inventor of a glass harmonica
- Inventor of a heating device
- Inventor of a high-rise braking system
- Inventor of a knife
- Inventor of a lidded glass dish
- Inventor of a lifesaving technique
- Inventor of a mineral hardness scale
- Inventor of a pistol
- Inventor of a printing press
- Inventor of a repeating rifle
- Inventor of a revolver
- Inventor of a rotatable cube
- Inventor of a seismological scale
- Inventor of a sign language
- Inventor of a sign language
- Inventor of a six-color puzzle
- Inventor of a steam engine
- Inventor of a steam engine
- Inventor of a steel-making process
- Inventor of a stove
- Inventor of a trainer for student fliers
- Inventor of a Turkish confection?
- Inventor of a two-wheeled carriage
- Inventor of a wind instrument
- Inventor of airships
- Inventor of alternating current
- Inventor of an AC motor and transformer, X-ray technology, and a vacuum tube amplifier: 2 wds
- Inventor of an airship, 1900
- Inventor of an alcohol thermometer
- Inventor of an early stock ticker
- Inventor of an early telescope
- Inventor of an electric coil
- Inventor of an elevator
- Inventor of an eponymous engine
- Inventor of an incandescent lamp
- Inventor of an instant camera
- Inventor of Army's new automatic rifle
- Inventor of automatic gun (1840–1916)
- Inventor of automatic safety device for elevators, 1854
- Inventor of baseball
- Inventor of bifocals
- Inventor of bombsight
- Inventor of celluloid
- Inventor of Cherokee alphabet
- Inventor of cordite
- Inventor of cordite
- Inventor of diving bell
- Inventor of diving bell (1820–87)
- Inventor of diving bell
- Inventor of dynamite
- Inventor of dynamite (1833–96)
- Inventor of dynamite, 1866
- Inventor of dynamite
- Inventor of elevator brake
- Inventor of elevators' safety brakes
- Inventor of etching
- Inventor of even-keel submarine
- Inventor of farm equipment
- Inventor of farm machines
- Inventor of first digital calculator
- Inventor of gyroscope (1860–1930)
- Inventor of internal combustion motor
- Inventor of laboratory burner
- Inventor of lawn tennis
- Inventor of lockstitch sewing machine
- Inventor of locomobile (1868–1930)
- Inventor of logarithms
- Inventor of logarithms
- Inventor of Menlo Park
- Inventor of mezzotint process of engraving
- Inventor of our Army's new automatic rifle
- Inventor of phonetic shorthand system
- Inventor of printing press (1812–86)
- Inventor of rifle bullet
- Inventor of robot chess player
- Inventor of roll film
- Inventor of root beer
- Inventor of rotary printing press
- Inventor of safety device for elevators
- Inventor of shorthand system (1813–97)