a Swiss physician and biologist. He was the first scientist to isolate nucleic acid in 1869. He also identified protamine and made a number of other discoveries.

an influential sculptor, theorist, and key figure in Russia's post-Revolution avant-garde and the subsequent development of twentieth-century sculpture.

a French polymath whose works touched a wide variety of fields. He is perhaps best known today among mathematicians for Mersenne prime numbers

a Swedish chemist, engineer, inventor, businessman, philanthropist, benefactor of the Nobel Prize, and inventor of dynamite

an English novelist, poet, critic and editor whose journals were instrumental in the development of early 20th-century English and American literature.

a Norwegian playwright and theatre director. He is often referred to as "the father of realism" and one of the most influential playwrights of his time.