"Nisson Alpert, 58, a Scholar At Rabbi Elchanan Seminary", The New York Times, May 29, 1986. Accessed March 7, 2024. "Prof. Nisson Alpert, a noted rabbinical scholar at the Rabbi Isaac Elchanan Theological Seminary, an affiliate of Yeshiva University, died of cancer Monday at his daughter's home in Queens. He was 58 years old and lived in Far Rockaway, Queens."
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Several places called Polanka have articles in English Wiki, and there are even more in Polish Wiki. It is unclear which was Alpert's birthplace, and records may no longer exist.
