John H. Purnell is the Lighting Designer for Annapolis Summer Garden Theatre's sold-out production of Mamma Mia! He has done the lighting design for many shows in the Annapolis area, including a A New Brain and Babylon Line for Colonial Players, and Altar Boyz and Light Up the Stars for Annapolis Summer Garden Theatre. He […] The post Lighting Designer John H. Purnell Discusses 'Mamma Mia' at Annapolis Summer Garde…