Historical clue formulations

• Family name in Steinbeck's "East of Eden" — 2021-07-18
• Cal ___, Dean's "East of Eden" role — 2016-02-15
• Dean's "East of Eden" role — 2015-01-03
• Britain's Betty ___ Prize (literary award) — 2002-10-17
• "East of Eden" family name — 1999-04-17