The Beyond Einstein program is a NASA project designed to explore the limits of Einstein's theory of General Relativity. The project includes two space observatories, and several observational cosmology probes. The program culminates with the Einstein Vision probes, after completion of the Great Observatories program.

Constellation-X and the Laser Interferometer Space Antenna (LISA) been promoted by NASA as the Einstein Great Observatories, to differentiate them from the current generation. However, they are not a part of the Great Observatories program.

Shiraz Minwalla (Marathi: शिराझ मिन्वाल्ला) is an Indian theoretical physicist and string theorist. He is currently a faculty member in the Department of Theoretical Physics at Tata Institute of Fundamental Research, Mumbai. Prior to his present position, he was a Harvard Junior Fellow and subsequently an Assistant Professor at Harvard University.

Minwalla graduated from Indian Institute of Technology Kanpur in 1996, and was awarded the President's Gold Medal for topping the entire group; he later moved to Princeton University to earn his Ph.D. He was awarded the Swarnajayanti Fellowship 2005-06 by the Department of Science & Technology, Government of India.

He was awarded in 2011 the Shanti Swarup Bhatnagar Prize for Science and Technology, the highest science award in India, in the physical sciences category.