He has also worked extensively with developmentally disabled adults and children .
John has worked as a librettist with the Minnesota Orchestra , an editor for the Youth Computer Center at the Science Museum of Minnesota , and a tour guide for the Minnesota Historical Society .
John has also worked extensively with developmentally disabled adults and children .
John has worked as a librettist with the Minnesota Orchestra , an editor for the Youth Computer Center at the Science Museum of Minnesota , and a tour guide for the Minnesota Historical Society .