Harav Moshe Wolfson OBM’s Life Of Chasidus
Rabbi Wolfson, who was born in 1925, learned much about Chasidus by observing Rabbi Mendlowitz, his teacher. One example of Chasidic discipline he received from Rabbi Mendlowitz was the acceptance of all Chasidic disciplines from Satmar to Lubavitch, Satmar being more emotional and Chabad being more intellectual.