Yakov Zeldovich

Yakov Zeldovich (1914–1987) was a prominent Soviet physicist and one of the founding figures in several fields of theoretical physics, including cosmology, astrophysics, and plasma physics. He made significant contributions to the understanding of various physical phenomena, including: 1. **Cosmology**: Zeldovich is known for his work in the early development of cosmological theories, including the Big Bang model and the concept of cosmic inflation.