Icenetwork reported (on Facebook) that Ludmila Belousova-Protopopov passed away at the age of 81.
https://www.facebook.com/icenetwork/posts/10155332720988347
Oh that's so sad. When I was at Lake Placid I only saw her teaching (with her husband) one student the whole week.
Her poor husband is on his own now. And they didn't have any children.