Eric J. Chaisson is an American astrophysicist best known for his research, teaching, and writing on the interdisciplinary science of cosmic evolution. He is also noted for his telescopic observations of interstellar clouds and emission nebulae of the Milky Way Galaxy, his empirical attempt to unify complexity science utilizing the technical concept of energy rate density, and his global leadership in improving science education nationally and internationally. He conducts research at the Harvard-Smithsonian Center for Astrophysics and teaches natural science at Harvard University.
