Ruben Greavy was a member of the Rapture population and was one of the head engineers of Rapture, originally under the management of the Wales brothers. He was an ardent supporter of Andrew Ryan and his philosophies. Ryan also regarded him as a loyal friend and "a true Renaissance man". Greavy often worked with Bill McDonagh on engineering and maintenance projects within Rapture and was a member of the Rapture Central Council. He had a son, Ronald Greavy, boyfriend of Sylvia Pleasance.
Greavy communicates the same concern as Ryan for a world isolated by the joined United States and the Soviet Union, and is sure in Ryan's ought to keep this venture mystery. One day, he gets a visit from Voss, an FBI specialist, who inquires him questions approximately what is happening at the docks, he said the North Atlantic extend financed by Ryan and millions of dollars in materials sent to ocean. Working to discover out more and a way to eventually benefit from this mystery operation.
Greavy met his death in 1955 when, while walking near the entrance to Fontaine's Home for the Poor in Apollo Square with Bill on routine maintenance, he was run through with a screwdriver from Bill's toolbox, wielded by a telekinetic Splicer.