Rabbi Yaakov Friedrich, the eldest Chabad chossid passed away on Wednesday, 12 Tishrei 5784 at the age of 100.
His motto was: being there for everyone at every moment and respect for his fellow men.
His shiurim, also for Bne Noach, were very much appreciated.
Rabbi Friedrich gave so many shiurim , also in Holland, where he took part in rebuilding the Jewish community and establishing the Cheider school.
Books about his long life were written in Yiddish, Hebrew, English and French.
A story about this long life
https://anash.org/rabbi-yaakov-friedrich-101-ah/
A large crowd at late night levaya
https://collive.com/large-crowd-at-late-night-levaya-for-antwerp-chossid/
More information about the books and shiurim
https://www.chabadantwerp.org/article.asp?AID=3464921