2 апр 1267 г. - Roger Bacon

Описание:

(Opus Majus)

stressed the importance of experience.

Predicted machines that run on land, fly in the sky, and even go into the buttom of the ocean.

"There are as many rainbows as there are observers." And can be created. Unweaved the rainbow centuries before Newton.

In the Opus tertium (same year) Bacon describes alchemy as a non classical science yet unknown in Latin Europe.

Stressed the importance of languages and wrote of Hebrew grammar.

Was imprisoned