This is one of my found string quartet article from a search in the Library of Congress. I manage to edit some of interesting stories. Check the other string quartet in old newspaper scan in this link.
This is a page in New York Tribune, 30th October 1920 and then New York Times 10 October 1920. The classical music were pleased by several entertainment on that time. Notably was London String Quartet. Then two young violinist to make their New York performance, Raoul Vidas and Josef Piastro Borissoff. Both still traceable in the Google search nowday. Here the newspaper scan, enjoy the vintage.