Hart Rosenberg, a son of Dr. Mervin and Irene Rosenberg, died peacefully in his sleep October 21, 2006 at his home in Waltham, MA. He was 49. Born in Winnipeg, Manitoba, Canada, Hart had lived in Northwood, N.D., and West Hartford before settling in Waltham. He had previously worked as an aide at The Mansfield Training School in Connecticut and The Fernald School in Massachusetts. Funeral services are this morning, Oct. 25, at 9:30 a.m. at the Weinstein Mortuary, 640 Farmington Ave., Hartford, followed by burial at the Emanuel Synagogue Cemetery in Wethersfield, Conn. Donations may be made to Jewish Family & Children’s Services of Greater Boston.