a German physician and scientist. The methods he developed made it possible to distinguish between types of blood cells, which led to the ability to diagnose many blood diseases

a British astronomer, chemist, and inventor, most famous for his pioneering work in astronomical photography

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.

an Italian (naturalised French) mathematician, astronomer and engineer.

a German chemist and 1902 recipient of the Nobel Prize in Chemistry. He discovered the Fischer esterification.

a Dutch mathematician, physicist, engineer, astronomer, and inventor, who is regarded as one of the greatest scientists of all time and a major figure in the Scientific Revolution.