Who is Partnoy's Husband from The Little School: Tales of Disappearance & Survival in Argentina and what is their importance?

Oddly, Partnoy does not name her husband, though perhaps the most emotionally intense moment in the book is when she can hear her husband being tortured. They are almost never allowed to speak, save in a single chapter. Partnoy notes that she was considering divorcing him before they were imprisoned but that she still missed him.