When did Michelangelo create Taddeo Tondo ?
While a number of biographies have attributed this to the loss of power of the Medici family , contemporary Michelangelo biographer Eric Scigliano argues that Michelangelo had plenty of time to finish the sculpture if he had chosen to and points out that this was only the first of several " non finito " sculptures , preceding the " Taddei Tondo " and " Pitti Tondo " .