Задание

By whom were these inventions made?

The first practical telephone was invented by ......

The sewing machine was invented by .....

The telescope and the military compass were invented by .......

Radio was invented by ......

The theory of relativity was formulated by .........

Penicillin was discovered by ......

The periodic table of elements was created by .....

The laws of gravity and the three laws of motion were discovered and formulated by ......

The X-rays were discovered by .....

Alexander Graham Bell

Elias Howe.

Galileo Galilei

Alexander Popov

Albert Einstein

Alexander Fleming

Dmitri Mendeleev

by Isaac Newton.

Wilhelm Conrad Rontgen