There is a total of 30995 clues beginning with in
- Inventor of steam engine (1736–1819)
- Inventor of steel plow
- Inventor of techniques
- Inventor of telegraph wires and a telegraphic code: 2 wds
- Inventor of the "plow that broke the Plains"
- Inventor of the 35-Across
- Inventor of the alcohol thermometer
- Inventor of the astatic needle
- Inventor of the battery in 1800
- Inventor of the box camera
- Inventor of the centigrade thermometer
- Inventor of the compression ignition engine
- Inventor of the compression-ignition engine
- Inventor of the cotton gin
- Inventor of the Cube
- Inventor of the diving bell
- Inventor of the diving bell
- Inventor of the electric battery
- Inventor of the electric car battery
- Inventor of the electric pen, ancestor of the mimeograph
- Inventor of the first boat powered by 1 Down
- Inventor of the first digital calculator
- Inventor of the first electric battery
- Inventor of the first passenger elevator
- Inventor of the governor (1736–1819)
- Inventor of the gramophone
- Inventor of the gyrocompass
- Inventor of the home video game console Ralph and others
- Inventor of the huddle
- Inventor of the Internet?
- Inventor of the kaleidoscope, 1816
- Inventor of the kinetoscope
- Inventor of the laptop PC
- Inventor of the Library of Congress classification system
- Inventor of the log-log slide rule
- Inventor of the machine gun
- Inventor of the Maine Hunting Shoe
- Inventor of the Marching Bands puzzle
- Inventor of the microphone
- Inventor of the Mothers of Invention
- Inventor of the Motorwagen
- Inventor of the phonograph
- Inventor of the phonograph
- Inventor of the plow
- Inventor of the pneumatic tire
- Inventor of the Polaroid camera
- Inventor of the reaper
- Inventor of the revolver
- Inventor of the revolving-breech pistol
- Inventor of the safe elevator
- Inventor of the safety elevator
- Inventor of the sewing machine
- Inventor of the spinning jenny
- Inventor of the stage?
- Inventor of the steam engine
- Inventor of the steel plow
- Inventor of the stock ticker
- Inventor of the stock ticker
- Inventor of the talkies
- Inventor of the telegraph
- Inventor of the telephone
- Inventor of the telephone
- Inventor of the televisor
- Inventor of transmitter, improved stock ticker, etc
- Inventor of vulcanized rubber
- Inventor of wine, according to the Bible
- Inventor on Serbia's 100-dinar note
- Inventor Otis
- Inventor Pliny
- Inventor Pliny ___
- Inventor plus author plus novelist
- Inventor Popeil
- Inventor Rubik
- Inventor Rudolf
- Inventor Samuel
- Inventor Sikorsky
- Inventor Singer
- Inventor sort
- Inventor Sperry
- Inventor Tesla
- Inventor Tesla et al
- Inventor Thomas
- Inventor Thomas who co-founded General Electric
- Inventor Tull
- Inventor Tupper
- Inventor Whitney
- Inventor Whitney et al
- Inventor Whitney and others
- Inventor Whitney
- Inventor who designed a coil
- Inventor who financed Morse's experiments
- Inventor who gave skyscrapers a boost
- Inventor who gave the world a lift
- Inventor who had his ups and downs
- Inventor who had his ups and downs?
- Inventor who improved the telegraph
- Inventor who inspired this puzzle
- Inventor who laid it on the line
- Inventor who patented the first revolver [stallion]
- Inventor who popularized photography (1854–1932)