Notes on verification

Confirmed by Warren's own Nobel autobiography, a Lancet interview, a peer-reviewed history article, and independent biographical sources, with consistent birth date corroboration. [cascade flags: aggregator_dropped_primary_exists | tier=silver indep_score=0.94 clusters=5 claim_tier=notable | framework convergence=partial on Most secondary sources ultimately draw on Warren's own recollection as published in his Nobel autobiography, but this is corroborated by independent interviews (The Lancet 2006) and independent biographical records (birth date verified separately via Britannica, Wikipedia, obituaries) (upstreams: J. Robin Warren's Nobel Prize autobiography/biographical statement) — publishers independent, evidence may not be | kind=empirical eligibility=high]