There was a time when men put their name on the restaurant, and “Joe Chastek’s Vagabond House” is from that time. Joe’s daughter has some brief notes here. From a skyscraperpage.com thread, of all things, a picture of Joe:

The Royal Crest: again with the fashion shows. When did restaurants stop having fashion shows?

Glenn Hardmann played the piano and organn, and also did some work with Lester Young; you can hear an excerpt here.