Arthur Shostak, a professor emeritus of sociology, is a Holocaust scholar and the author of “Stealth Altruism: Forbidden Care as Jewish Resistance in the Holocaust.” An Alameda resident, he can be reached at arthurshostak@gmail.com.

Arthur Shostak, a professor emeritus of sociology, is a Holocaust scholar and the author of “Stealth Altruism: Forbidden Care as Jewish Resistance in the Holocaust.” An Alameda resident, he can be reached at arthurshostak@gmail.com.