Sorel became serious about drawing when a case of double pneumonia confined him to bed for nearly a year .
His father was a door - to - door dry goods salesman , while his mother worked full - time in a hatmaking factory .
Sorel became serious about drawing when a case of double pneumonia confined father to bed for nearly a year .
His father was a door - to - door dry goods salesman , while his mother worked full - time in a hatmaking factory .