Nachman Blumental (born 1902 in Borszczów, died 8 November 1983 in Tel Aviv) was a Polish-Jewish and Israeli historian who served as the head of the Jewish Historical Institute in Warsaw between 1947 and 1949.
Blumental studied literature at the University of Warsaw, where he received a master's degree with a thesis called “On Metaphor.” He is reputed to have known nearly a dozen languages, including Hebrew, Yiddish, French, Polish, and Ukrainian.
They transcribed 3,000 survivor testimonies between 1944 and 1947, scavenged for Nazi paperwork in abandoned Gestapo offices and meticulously preserved documentary fragments of day-to-day ghetto life.
Blumental never completed his second volume, but his papers show how the project metastasized over time, especially as he gained access to fresh source material from newly opened Nazi archives.
In February 2019, his son Miron Blumental donated 30 boxes of his father's personal papers, composed of over 200,000 documents, to the YIVO Institute for Jewish Research in New York.