an Austrian geologist and an expert on the geography of the Alps!

a German physiologist. He was born in Leipzig and died in Königsberg. He was the first to use the word "biology" and was a pioneer of neuroanatomy.

a French chemist and surgeon who discovered how to manufacture soda ash from common salt

a Polish-Swiss chemist and the Nobel Prize in Physiology or Medicine laureate (1950), which was awarded for his work on the isolation of cortisone.

a Portuguese poet, writer, and philosopher, described as one of the most significant literary figures of the 20th century and one of the greatest poets in the Portuguese language.

a French existentialist philosopher, writer, social theorist, and feminist activist. She had a significant influence on both feminist existentialism and feminist theory.