From what I gather, a “sponsor” was like the head of the pep squad. Betty Greer (“origin of the pep”) had maids, all with modern bobbed hair. But it doesn’t sound like she sponsored in the sense of providing funds. Although–props for your nice pearls and mink stole, Betty.
And here are the boys for whom they cheered. These youthful guys, born at the turn of the century, long gone.
Most of their kids are probably gone, too. But Berton’s hair lives on forever.