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J.
B. Dunlop
Discovery : Bicycle Tyre
J.
Froelich
Discovery : Tractor
J
Robert Oppenheimer
Not discoverer but is often
known as the father of atomic
bomb
J.
Whinfield And H. Dickson
Discovery : Terylene
J.C.
Perier
Discovery : Ship (Steam)
Jagdish
Chandra Bose
Discovery : Crescograph
J.E.
Lurdstrom
Discovery : Match (Safety)
J.J.Thomson
Discovery : Electrons
Jacob
Schick
Discovery : Electric Razor
Jacques
And Joseph Montgolfier
Discovery : Balloon
James
Hargreaves
Discovery : Spinning Jenny
James
Harrison & James Young
Simpson
Discovery : Chloroform
James
Harrison, Alexander Catlin
Discovery : Refrigerator
James
Lind
Discovery : Vitamin C
James
Prescoft
Discovery : Measurement Of
Electrical Energy Joule
James
Watson
Discovery : Structure Of DNA
James
Watt
Discovery : Steam Engine
James
Watt
Discovery : Steam Engine (Condenser)
Jean
Baptiste Lamarck
Discovery : Foundations Of
Biology
Jean
Piaget
Discovery : Child Development
Johann
Phillip Reis, Alexander Graham
Bell, Elisha Gray, Amos E.
Dolbear, And Thomas Edison
Discovery : Microphone
Johann
Vaaler
Discovery : Paper Clip
Johannes
Gutenberg
Discovery : Printing Press
Johannes
Kepler
Discovery : Motion Of The
Planets
John
Boyd Dunlop
Discovery : Pneumatic Tyres
John
Dalton
Discovery : Theory Of The
Atom
John
Harrison
Discovery : Chronometer
John
J. Loud
Discovery : Ball-Point Pen
John
Logie Baird
Discovery : Television (Mechanical)
John
Napier
Discoveries : Logarithmic
Tables, Logarithms
John
Von Neumann
Discovery : Modern Computer
Joseph
Aspdin
Discovery : Cement
Joseph
J. Thomson
Discovery : Electron
Joules
Discovery : Mechanical Equivalent
Of Heat
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