Rock Drill (Jacob Epstein) Modernism more dramatically than any other sculpture, English or continental, then or since". Jacob Epstein (1880–1959) was an American-born sculptor who had moved to Europe in 1902, and taken British citizenship in 1911. Although Epstein was not officially a member of the Vorticists, not having signed the Vorticist Manifesto, the full-figure sculpture has also been hailed as the pinnacle of Vorticist art. Originally a positive statement, "Rock Drill" stood as a celebration of modern machinery and masculine virility. Wyndham Lewis described the sculpture as 'one of the best things he [Epstein] has done. The nerve-like figure perched on the machinery,
Philip Hepworth by a hipped roof clad in pantiles." Another early design was that of an arts-and-crafts thatched house named 'Bolton Muir' (1930) in Gifford, East Lothian. In 1931, Hepworth was featured in a book by architectural critic Trystan Edwards. Published in Zug, Switzerland, this 91-page hardback book, part of a series on the leading architects of the day, was titled "Some recent work of Philip Hepworth". It was illustrated mostly with black-and-white photographs of the buildings designed by Hepworth. The embossed clothbound cover shows the Roof Garden House in Bickley, with the cover artwork described in 2015 by RIBA's British Architectural