an English chemist and physicist who is famous for discovering the chemical elements palladium and rhodium.

an English chemist. He was one of the originators of organometallic chemistry and introduced the concept of combining power or valence.

a councilor and mayor of Danzig. As an astronomer, he gained a reputation as "the founder of lunar topography", and described ten new constellations.

an English writer and politician

a French inventor, scientist, mathematician, and balloonist

a Cubist sculptor. He retained highly figurative and legible components in his work leading up to 1915–16, after which descriptive elements were muted, dominated by a synthetic style.