Hardcover, in-8, 763 pp.
Paul Urban was an Austrian theoretical physicist known for his contributions to particle physics and quantum field theory. His work significantly influenced the development of models used to describe particle interactions.

### **Progress in Particle Physics:**
1. **Early Discoveries:**
Particle physics explores the fundamental components of matter and the forces acting between them. Early advancements include the discovery of the electron, proton, and neutron, leading to the development of atomic models.

2. **The Standard Model:**
One of the major achievements in particle physics is the Standard Model, which classifies elementary particles like quarks, leptons, and gauge bosons. It also explains three of the four fundamental forces: electromagnetic, weak, and strong interactions.

3. **Key Discoveries:**
- **Higgs Boson (2012):** Its discovery at CERN confirmed the mechanism that gives particles mass.
- **Neutrino Oscillations:** Evidence that neutrinos have mass, expanding the Standard Model.

4. **Current Research:**
Scientists are investigating dark matter, dark energy, and physics beyond the Standard Model, such as supersymmetry and string theory.

Paul Urban's theoretical models helped advance our understanding of how particles behave and interact at quantum scales, contributing to the broader field of particle physics.