a Danish naturalist and scientific illustrator.

a French poet and screenwriter. His poems became and remain popular in the French-speaking world, particularly in schools.

a German physicist who was awarded the Nobel Prize in Physics in 1919 for a discovery of a phenomenon now known as the Stark effect.

a painter of Dutch origin whose career was nearly all spent in England, where he became the dominant portrait painter to the court.

a French author, and a soldier in World War I. A Catholic with monarchist leanings, he was critical of elitist thought and was opposed to what he identified as defeatism.

a French novelist, poet, short story writer. He specialised in mystery tales that explored hinted at evil without being explicitly concerned with anything supernatural.