In the history of science, it was Roger Bacon who first proposed the concept of experimental science

Rogier Bacon (1214-1294) was a British philosopher and scientist.

Rogier Bacon was a pioneer of modern experimental science. He actively advocates and engages in scientific experiments. From the belief that observation and experimentation are the only ways to gain true knowledge. He advocated observation and experiment as the only way to obtain true knowledge, and his scientific research was characterized by simple materialism.