In 2012, music historian Lilly E. Hirsch published her book "A Jewish Orchestra in Nazi Germany" in which the young Anneliese Landau played a central role. In writing the book, Hirsch did not have access to Landau directly; she had died in Los Angeles in 1991. But Hirsch was in touch with, and became close to, Landau's surviving family members in England and Scotland. 

Reflecting on the terrible choice made by Kurt and Grete Paechter in 1939 to send their children away on the Kinder transport while staying behind themselves to tend to their aging parents, the parallels to our Ringel family situation are evident. 

Elly Ringel was a first cousin once removed from Kurt Paechter, her grandmother being the older sister of his father. In both families, in light of the Nazi persecutions, the older generations were loathe to consider leaving their German homeland,

Here is the full Stolpersteine essay about the Salomon Mendel Landau family from the Zeit Gesichtern in Halle site. There are also stumbling stones, including for Kurt Paechter, at the Berlin apartment on Nassauische Straße, where a slightly different version of the essay appears.