His use of corrugated steel, chain-link fencing, unpainted plywood, and other utilitarian or "everyday" materials was partly inspired by spending Saturday mornings at his grandfather's hardware store. He would spend time drawing with his father, while his mother introduced him to the world of art. "So the creative genes were there", Gehry says. "But my father thought I was a dreamer, I wasn't gonna amount to anything. It was my mother who thought I was just reticent to do things. She would push me."