Re: Rav Teichtal, HY”D
Rav Reinis Z”Tz”L, also talks about it in Shnei Hamoros,Shaar Aleph, an entire discussion about the Zionist movement .
My son discovered it online, sent it to me, and one of the
telling things about it, is that so many rabbonim supported the movement, and how they were essentially bullied and shut down. I don’t believe this is in book form.