Suddenly Dark: Huntington's Disease: My Family's Deadly Secret

George William Knauer never had an easy life: He grew up as one of seven children and was placed in foster care after his mother was institutionalized with Huntingtons disease.

He ended up at Wiltwyck School for Boys, a reform school supported by Eleanor Roosevelt. When he left school after the eighth grade, he threw himself headfirst into the plumbing and heating field. He established his own plumbing and heating business, marrying and divorcing five times along the way.

When he was in his...