Written on stationery of Yeshivat Kehillat Yaakov [Pupa]. Sent to the Union of Orthodox Rabbis of the United States, requesting a letter of recommendation for R. Yosef Binyamin Friedman, emissary for the Pupa yeshiva, who was sent "to raise funds from our fellow Jews for our yeshiva, in which poor people study who will disseminate Torah with God's help… Yosef Grünwald, Av Beit Din of Pápa".

[1] leaf, official stationery. 28 cm. Good condition. Light stains.

Rebbe Yosef Grünwald of Pupa (1903-1984), last rabbi of Pápa, Hungary, and leading rabbi in the United States. Son and successor of R. Yaakov Yechizkiyah Grünwald, Av Beit Din of Pápa, the Vayaged Yaakov (son of R. Moshe Grünwald, the Arugat HaBosem). In 1925 he married the daughter of his great-uncle R. Yaakov Yechizkiyah Grünwald (brother of the Arugat HaBosem). He served as posek and yeshiva dean in Satmar, and in 1941 after the passing of his father the Vayaged Yaakov, he moved to Pápa and served as town rabbi. During the Holocaust he lost his first wife and their ten children, who were murdered by the Nazis. After the war he moved to Belgium and later reached the United States, where he established the Kehillat Yaakov Pupa community, and served as rabbi and yeshiva dean. He was a leading Orthodox rabbi in the United States; he served as president of the Central Rabbinical Congress associated with the Satmar Chassidut, and he was known as the "Pupa Rav". His books include Responsa Vayaan Yosef, the Vayechi Yosef series, Darchei Yosef, and more.