In 1960, she took over the Iowa State Fair butter cow creation, a tradition since 1911. She later expanded to creating other sculptures, including Garth Brooks, Elvis Presley, John Wayne, Peanuts characters, a Harley-Davidson motorcycle, American Gothic by Grant Wood and the Last Supper.[6] She also made busts of Katie Couric, Matt Lauer, Barack Obama and a cheese bust of David Letterman.