INVENTIONS:

The telephone was invented by Antonio Meucci in 1871.

The printing was inventes by Johannes Gutenberg in 1440.

The bicycle was invented by Karl von Drais in 1817.

The dynamite was invented by Alfred Nobel in 1867.

The microscope was invented by Galileo in 1610.

DISCOVERIES:

America was discovered by Christopher Columbus in 1492.

Neptune was discovered by Johann Gottfried Galle in 1846.

The electron was discovered by Joseph John Thomson in 1897.

The neutron was discovered by Walther Bothe y H. Becker in 1909.

The law of gravity was discovered by Isaac Newton in 1685.