Walter N. Graff, beloved husband of former Mandarin teacher at Breck School Margaret Wong, passed away at the age of 83 on May 23.. A memorial service has been scheduled for Tuesday, May 30, at 1 p.m. at Lakewood Cemetery Memorial Chapel in Minneapolis, Minnesota. (For those who cannot attend in person, a Zoom link will be posted at https://www.lakewoodcemetery.org/places/memorial-chapel/). Obituary details at Star Tribune.