 Ramba uchiverenga ndima iyi - Achiratidzira mifananidzo yake nemapikicha ake munzvimbo dzakawanda, Hills akahwina menduru dzinoverengeka pamitambo yenyika neyokumwe, kusanganisira pakati pevamwe 1900 Paris Exposition, 1901 Pan-American Exposition, 1904 St. Louis Exposition, uye 1915 Panama-Pacific International Exposition. Pakati pa1917 na1919, akaratidzira neboka risina kurongwa uye risingagumi revakadzi vemifananidzo muBoston vaitungamirirwa naLucy Scarborough Conant uye vanozivikanwa se The Group. 