Josef Loschmidt

Josef Loschmidt was an Austrian scientist in the 19th century known for his contributions to chemistry and physics. He is most famous for calculating the size of molecules and the number of particles in a given amount of gas, which supported the development of modern molecular theory. Loschmidt also proposed the concept of the molecular "structure" that underpins the behavior of gases. His work laid important groundwork for understanding the microscopic nature of matter, bridging the gap between atoms and observable properties, and influencing later scientific advancements in chemistry and physics.