a German pioneer in developing the earliest versions of the periodic table of the chemical elements.

a German chemist who discovered the element germanium in 1886, solidifying Dmitri Mendeleev's theory of periodicity.

a British biochemist. He was a founding member of the Biochemical Society and editor of its journal for 25 years.

a Spanish poet and dramatist, who became National Laureate

a French author and soldier. He was the author of a single novel, Le Grand Meaulnes (1913), which has been filmed twice and is considered a classic of French literature.

a Hungarian-born German physicist and the winner of the Nobel Prize for Physics in 1905 for his work on cathode rays and the discovery of many of their properties