a Russian diplomat, playwright, poet, and composer.

a Baltic German writer of the Sturm und Drang movement

a German composer, pianist, organist, conductor, and academic teacher.

a Spanish civil engineer, pilot and a self taught aeronautical engineer. His most famous accomplishment was the invention in 1920 of a rotorcraft called Autogiro,

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

a French mathematician who made major contributions to the topology of point sets and introduced the entire concept of metric spaces