R’ Binyomin is a prime specimen of what R’ Shraga Feivel wanted to produce,(the temimus of the Hungarian Jew, the fire of a Chasid and the Lomdus of a Litvak if I remember correctly) An amalgam of everything beautiful in a Ben Torah.
On his father’s side he is a descendant of the last pre-Churaban Rav of Debrecen,Hungary Rav Shlomo Zvi Strasser Z”tzl a descendant of the ??? ???? (Rav Moshe Stern Z'Tzl was a grandson-in-law of Rav Strasser and served as a Dayan and was elected as rav after the Churban)His mother is a daughter of R’ Yitchok Donath A”H (Twice Buried, Still alive)As a child he grew up in Chsan Sofer.He learned in Luzern Switzerland under Rav Kopelman Z”tzl, and then in Mir Yerushlaim