(
Carnegie Mellon University) Carnegie Mellon University physicist Rachel Mandelbaum has been named a 2019 Simons Investigator by the Simons Foundation. The Simons Investigator program provides research support to outstanding scientists, enabling them to undertake the long-term study of fundamental questions. Mandelbaum studies weak gravitational lensing, which looks at distortions in images of distant galaxies obtained by telescopes to better understand the universe.