Rock Drill (Jacob Epstein) about a piece of their choosing from the gallery's collection, under the project name Tate Tracks. The Chemical Brothers recorded "Rock Drill", inspired by "Torso...", and this could be heard on headphones next to the sculpture. From October 2006, it also became available for a while, on the Tate Tracks website. Comparisons have been drawn between the sculpture and the character General Grievous and his battle droids. Rock Drill (Jacob Epstein) Rock Drill (c. 1913–1915) and the associated Torso in Metal from Rock Drill (c. 1913–1916) are Jacob Epstein's most radical sculptures. "Rock Drill" comprises a plaster figure perched on
Jacob Epstein (spy) the Gnome Project, which was the secret plan to free Ramón Mercader, Leon Trotsky's murderer, from jail. Epstein is referenced in Venona decrypt 800 New York to Moscow 28 May 1943, and another decrypt on 30 May 1943. The material cites Epstein as having placed two agents in the prison where Mercader was held. The plan called for moving Mercader out of Mexico once the jailbreak was made. Venona decrypt 193–194 Mexico City to Moscow, 14 March 1944 identifies Anna Colloms, while on a courier mission to Mexico, reporting the KGB detected surveillance of Ruth Wilson, Epstein's wife, and Colloms,