Important invention and discovery

Some major invention and discovery of science................

Device/Instruments/chemicals		Name of scientists
Computer		Charls Babbage
Television		John logie Baird
Telephone		Alexxendr Graham bell
Bulb		Thomas alva Edison
Calculator		Blaise Pascal
Dynamite		Alfred Nobel
Radio		Marconi
Bicycle		McMillan
Vaccine		Edward Jenner
D.N.A		WATSON AND CRICK
Electron		j.j Thomson
Proton		Rutherford
Neutron		Chadwick
Printing press		Gutenberg
Air condition	Wills carrier
Revolver	Samuel colt
x- ray	William roentgen
Safety pin	Water hunt.