 20th-century Swedish physicists

The 20th century saw several notable Swedish physicists who made significant contributions to various fields of physics. Here are a few prominent figures: 1. **Manne Siegbahn (1886–1978)**: Siegbahn was awarded the Nobel Prize in Physics in 1924 for his research in the field of X-ray spectroscopy. His work advanced the understanding of atomic structure and the arrangement of electrons within atoms.