When my nephew was little his family repeatedly told him I was a genius scientist who had changed the world. They watched a lot of black&white movies on TV and

When my nephew was little his family repeatedly told him I was a genius scientist who had changed the world. They watched a lot of black&white movies on TV and he asked them "why was the world so drab and gray back when those movies were made?" His parents told him that was back before Uncle (me) invented color. He bought it.