Complex sentence: Marc Kamionkowski (born in 1965) is Professor of Physics and Astronomy at Johns Hopkins University with contributions on particle physics, dark matter, inflation, cosmic microwave background and Gravitational Waves.
Split into simpler sentences: Marc Kamionkowski (born in 1965) is Professor of Physics and Astronomy at Johns Hopkins University. His research interests include particle physics, dark matter, inflation, cosmic microwave background and Gravitational Waves.