Clifford Martin Will (born 1946) is a Canadian-born theoretical physicist noted for his contributions to general relativity.
[1] Will's theoretical work has centered on post-Newtonian expansions of approximate solutions to the Einstein field equations, a notoriously difficult area which forms the theoretical underpinnings essential for such achievements as the indirect verification by Russell Hulse and Joseph Taylor of the existence of gravitational radiation from observations of a binary pulsar.
[1] Will's book reviewing experimental tests of general relativity is widely regarded as the essential resource for research in this area; his popular book on the same subject was listed by The New York Times as one of the 200 best books published in 1986.
[4] From 2009 to 2018, Will was the editor-in-chief of IOP Publishing's journal Classical and Quantum Gravity.
[1] In 2019, Will received the Albert Einstein Medal, awarded each year since 1979 by the Albert Einstein Society in Bern, Switzerland, for his "important contributions to General Relativity, in particular including the Post-Newtonian expansions of approximate solutions of the Einstein field equations and their confrontation with experiments.