I saw your article this week in the Oneg Shabbat, so I was wondering if we might be related because we have the same name. My ggg-grandfather was Rabbi Reuven Chaim Klein, author of the sefer Shenos Chaim (and student of the Chasam Sofer). Have you heard of him?
Kol Tuv,
Reuven Chaim Klein
Beitar Illit, Israel
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