_:Bfffb2243c30e56d258f25e9af656225c . "David" . "Speiser" . "1926"^^ . "David Speiser" . . . "Speiser, David (1926-)" . . _:Bfffb2243c30e56d258f25e9af656225c . _:Bfffb2243c30e56d258f25e9af656225c . _:Bfffb2243c30e56d258f25e9af656225c "2023-05-20"^^ . _:Bfffb2243c30e56d258f25e9af656225c . _:Bfffb2243c30e56d258f25e9af656225c . _:Bfffb2243c30e56d258f25e9af656225c "069386846" . _:Bfffb2243c30e56d258f25e9af656225c . _:Bfffb2243c30e56d258f25e9af656225c . _:Bfffb2243c30e56d258f25e9af656225c .