Rock Drill (Jacob Epstein) 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 top of an actual rock drill. The combination of an industrial rock drill and the carved plaster figure makes the artwork an example of a "Readymade" created at the same time as Marcel Duchamp's "Bicycle Wheel" (1913). A 1974 reconstruction, by Ken Cook and Ann Christopher, is part of the Birmingham Museum and Art Gallery's collection. "Rock Drill" has been heralded as embodying the spirit of "radical
Jacob Epstein (spy) who went to Mexico for liaison with Jacob Epstein, but achieved nothing. Jacob Epstein's code names in Soviet intelligence are "Harry" and "Garri". Epstein is referenced in the following Venona decryptions: Jacob Epstein (spy) Jacob Epstein, also Jake Bermanen, (10 November 1903 – 10 February 1998) was born in Brooklyn, New York of Russian parents. He graduated from Cornell University in 1924, where he became friends with Anna Colloms, who was also a student. In 1938, Epstein volunteered for the International Brigades during the Spanish Civil War, and was badly wounded. Epstein married Ruth Beverly Wilson, whom he met while