Antonie Pannekoek was a Dutch astronomer and socialist theorist who made significant contributions to the understanding of the cosmos and the development of Marxist thought.
Antonie van Leeuwenhoek was a Dutch scientist, known as the Father of Microbiology, who revolutionized the field with his pioneering work on microorganisms.
Niko Tinbergen was a Dutch biologist and ornithologist, known for his pioneering work in animal behavior and ethology, earning him a Nobel Prize in Physiology or Medicine.