Bock's first work for Frank Lloyd Wright was a frieze for the third floor of the Heller House in 1896. In 1898, Wright asked Bock to create sculptures for Wright's home in Oak Park, Illinois. A few years earlier, Bock had created a statue of Wright's son John. From 1903 to 1913, Bock worked almost exclusively with Wright on multiple projects, often making Wright's architectural sculptures. Wright requested Bock's assistance after a previous sculptor, Albert Louis Van den Berghen, was not working out as planned for a planned sculpture at the Dana-Thomas House. Charles E. White, Jr. wrote upon Bock's arrival at Wright's studio: