1) Artificer 2) Bessemer 3) Browning 4) Bushnell 5) Cartwright 6) Daguerre 7) Detecter 8) Eastman 9) Edison 10) Fulton 11) Gatling 12) Gillette 13) Goldmark 14) Goodyear 15) Hargreaves 16) Heron 17) Hollerith 18) Inventor 19) Jacquard 20) Mauser 21) Mccormick 22) Mergenthaler 23) Muybridge 24) Otis 1) US satellite 2) Architect 3) Artificer 4) Author 5) Creator 6) Inventor 7) Originator 
• (n.) One who discovers; one who first comes to the knowledge of something; one who discovers an unknown country, or a new principle, truth, or fact. • (n.) A scout; an explorer.
any of a series of unmanned experimental satellites launched by the United States Air Force. Although the Discoverer satellites had several apparent ...
The cover name for Corona, America`s first series of spy satellites.
Dis·cov'er·er noun 1. One who discovers; one who first comes to the knowledge of something; one who discovers an unknown country, or a new principle, truth, or fact. « The discoverers and searchers of the land.» Sir W. Raleigh. 2. A scout; an explorer. ...
a person who discovers. · (cap.)one of an early series of polar-orbiting reconnaissance satellites.