He worked with three Chinese-American friends ( George Hall, John C . Young ( both brothers-in-law who started a booming soy sauce company ) and George Chow who had helped acquire the very important liquor license-to try to make his restaurant both respectable and modern . . . In the mid-1950's, Hall . . . put together a revolving tabletop that became the pivotal element of Kan's new banquet room ."