Hermann Bondi

Hermann Bondi was a prominent British mathematician and cosmologist known for his contributions to our understanding of the universe. He played a key role in developing the "steady state theory," which proposed that the universe is eternal and constantly expanding while maintaining a consistent average density. This theory suggested that new matter is created to fill the gaps left by the expanding universe. Bondi also contributed significantly to the field of gravitational theory and collaborated on ideas that influenced modern cosmology, including the study of black holes and gravitational waves, enriching our understanding of the cosmos.