David Spergel

David Spergel is a prominent American astrophysicist known for his work in cosmology, the study of the universe's origin and structure. He has contributed to understanding the cosmic microwave background, the afterglow of the Big Bang, helping scientists learn about the universe’s composition, age, and evolution. Spergel has held leadership roles in major space missions like the NASA Wilkinson Microwave Anisotropy Probe (WMAP). His research has provided deep insights into dark matter, dark energy, and the overall universe, making him a key figure in modern astrophysics.