_:B9419c5f00e8ef17fb4717bbcdf950022 . "Benjamin D." . "Sommer" . "1964"^^ . "Benjamin D. Sommer" . . . "Sommer, Benjamin D. (1964-)" . . _:B9419c5f00e8ef17fb4717bbcdf950022 . _:B9419c5f00e8ef17fb4717bbcdf950022 . _:B9419c5f00e8ef17fb4717bbcdf950022 "2023-05-21"^^ . _:B9419c5f00e8ef17fb4717bbcdf950022 . _:B9419c5f00e8ef17fb4717bbcdf950022 . _:B9419c5f00e8ef17fb4717bbcdf950022 "191414298" . _:B9419c5f00e8ef17fb4717bbcdf950022 . _:B9419c5f00e8ef17fb4717bbcdf950022 . _:B9419c5f00e8ef17fb4717bbcdf950022 .