An astrophysicist who was made famous for developing a computer model to show how life on Earth could have originated in outer space. His research is focused on the the hydrodynamic and radiative properties of astrophysical flows around black holes.
He performed experiments in his own homemade laboratory as a child.
In 1995 he became the first scientist to propose the theory that Gamma Ray Bursts signal the birth of black holes.
He married Dr. Sonali Chakrabarti, the daughter of a renowned physicist.
He and Neil Degrasse Tyson are two of the world's premiere astrophysicists.