David Roy Merritt (born November 16, 1955, in Los Angeles) is an American astrophysicist. He is known for OsipkovâÂÂMerritt model, the LeonardâÂÂMerritt mass estimator and the MâÂÂsigma relation.
He received in 1982 his PhD in Astrophysical Sciences from Princeton University with thesis advisor Jeremiah P. Ostriker and held postdoctoral positions at the University of California, Berkeley and the Canadian Institute for Theoretical Astrophysics in Toronto. Merritt's fields of specialization include dynamics and evolution of galaxies, supermassive black holes, and computational astrophysics.
Until 2017, he was a professor at the Rochester Institute of Technology (RIT) in Rochester, New York. He was a former Chair of the Division on Dynamical Astronomy of the American Astronomical Society. He is a founding member of the Center for Computational Relativity and Gravitation at RIT.
His scientific contributions include OsipkovâÂÂMerritt models, black hole spin flips, the LeonardâÂÂMerritt mass estimator, the MâÂÂsigma relation, stellar systems with negative temperatures, and the Schwarzschild barrier.